21095514880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2843}}^1$

素因数の和:2923

約数の個数: 288

約数和(自身を含む): 60270594048

約数和(自身を除く): 39175079168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 32, 34, 40, 44, 55, 62, 64, 68, 80, 85, 88, 110, 124, 128, 136, 155, 160, 170, 176, 187, 220, 248, 256, 272, 310, 320, 340, 341, 352, 374, 440, 496, 527, 544, 620, 640, 680, 682, 704, 748, 880, 935, 992, 1054, 1088, 1240, 1280, 1360, 1364, 1408, 1496, 1705, 1760, 1870, 1984, 2108, 2176, 2480, 2635, 2720, 2728, 2816, 2843, 2992, 3410, 3520, 3740, 3968, 4216, 4352, 4960, 5270, 5440, 5456, 5686, 5797, 5984, 6820, 7040, 7480, 7936, 8432, 9920, 10540, 10880, 10912, 11372, 11594, 11968, 13640, 14080, 14215, 14960, 16864, 19840, 21080, 21760, 21824, 22744, 23188, 23936, 27280, 28430, 28985, 29920, 31273, 33728, 39680, 42160, 43648, 45488, 46376, 47872, 48331, 54560, 56860, 57970, 59840, 62546, 67456, 84320, 87296, 88133, 90976, 92752, 96662, 109120, 113720, 115940, 119680, 125092, 134912, 156365, 168640, 176266, 181952, 185504, 193324, 218240, 227440, 231880, 239360, 241655, 250184, 312730, 337280, 352532, 363904, 371008, 386648, 436480, 440665, 454880, 463760, 483310, 500368, 531641, 625460, 674560, 705064, 727808, 742016, 773296, 881330, 909760, 927520, 966620, 969463, 1000736, 1063282, 1250920, 1410128, 1484032, 1498261, 1546592, 1762660, 1819520, 1855040, 1933240, 1938926, 2001472, 2126564, 2501840, 2658205, 2820256, 2996522, 3093184, 3525320, 3639040, 3710080, 3866480, 3877852, 4002944, 4253128, 4847315, 5003680, 5316410, 5640512, 5993044, 6186368, 7050640, 7420160, 7491305, 7732960, 7755704, 8005888, 8506256, 9694630, 10007360, 10632820, 11281024, 11986088, 12372736, 14101280, 14982610, 15465920, 15511408, 16480871, 17012512, 19389260, 20014720, 21265640, 22562048, 23972176, 28202560, 29965220, 30931840, 31022816, 32961742, 34025024, 38778520, 40029440, 42531280, 47944352, 56405120, 59930440, 61863680, 62045632, 65923484, 68050048, 77557040, 82404355, 85062560, 95888704, 112810240, 119860880, 124091264, 131846968, 136100096, 155114080, 164808710, 170125120, 191777408, 239721760, 248182528, 263693936, 310228160, 329617420, 340250240, 383554816, 479443520, 527387872, 620456320, 659234840, 680500480, 958887040, 1054775744, 1240912640, 1318469680, 1917774080, 2109551488, 2636939360, 4219102976, 5273878720, 10547757440, 21095514880]

約数ペア:

[(1, 21095514880), (2, 10547757440), (4, 5273878720), (5, 4219102976), (8, 2636939360), (10, 2109551488), (11, 1917774080), (16, 1318469680), (17, 1240912640), (20, 1054775744), (22, 958887040), (31, 680500480), (32, 659234840), (34, 620456320), (40, 527387872), (44, 479443520), (55, 383554816), (62, 340250240), (64, 329617420), (68, 310228160), (80, 263693936), (85, 248182528), (88, 239721760), (110, 191777408), (124, 170125120), (128, 164808710), (136, 155114080), (155, 136100096), (160, 131846968), (170, 124091264), (176, 119860880), (187, 112810240), (220, 95888704), (248, 85062560), (256, 82404355), (272, 77557040), (310, 68050048), (320, 65923484), (340, 62045632), (341, 61863680), (352, 59930440), (374, 56405120), (440, 47944352), (496, 42531280), (527, 40029440), (544, 38778520), (620, 34025024), (640, 32961742), (680, 31022816), (682, 30931840), (704, 29965220), (748, 28202560), (880, 23972176), (935, 22562048), (992, 21265640), (1054, 20014720), (1088, 19389260), (1240, 17012512), (1280, 16480871), (1360, 15511408), (1364, 15465920), (1408, 14982610), (1496, 14101280), (1705, 12372736), (1760, 11986088), (1870, 11281024), (1984, 10632820), (2108, 10007360), (2176, 9694630), (2480, 8506256), (2635, 8005888), (2720, 7755704), (2728, 7732960), (2816, 7491305), (2843, 7420160), (2992, 7050640), (3410, 6186368), (3520, 5993044), (3740, 5640512), (3968, 5316410), (4216, 5003680), (4352, 4847315), (4960, 4253128), (5270, 4002944), (5440, 3877852), (5456, 3866480), (5686, 3710080), (5797, 3639040), (5984, 3525320), (6820, 3093184), (7040, 2996522), (7480, 2820256), (7936, 2658205), (8432, 2501840), (9920, 2126564), (10540, 2001472), (10880, 1938926), (10912, 1933240), (11372, 1855040), (11594, 1819520), (11968, 1762660), (13640, 1546592), (14080, 1498261), (14215, 1484032), (14960, 1410128), (16864, 1250920), (19840, 1063282), (21080, 1000736), (21760, 969463), (21824, 966620), (22744, 927520), (23188, 909760), (23936, 881330), (27280, 773296), (28430, 742016), (28985, 727808), (29920, 705064), (31273, 674560), (33728, 625460), (39680, 531641), (42160, 500368), (43648, 483310), (45488, 463760), (46376, 454880), (47872, 440665), (48331, 436480), (54560, 386648), (56860, 371008), (57970, 363904), (59840, 352532), (62546, 337280), (67456, 312730), (84320, 250184), (87296, 241655), (88133, 239360), (90976, 231880), (92752, 227440), (96662, 218240), (109120, 193324), (113720, 185504), (115940, 181952), (119680, 176266), (125092, 168640), (134912, 156365)]