20127405960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{12791}}^1$

素因数の和:12889

約数の個数: 256

約数和(自身を含む): 70734643200

約数和(自身を除く): 50607237240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 47, 54, 60, 62, 72, 90, 93, 94, 108, 120, 124, 135, 141, 155, 180, 186, 188, 216, 235, 248, 270, 279, 282, 310, 360, 372, 376, 423, 465, 470, 540, 558, 564, 620, 705, 744, 837, 846, 930, 940, 1080, 1116, 1128, 1240, 1269, 1395, 1410, 1457, 1674, 1692, 1860, 1880, 2115, 2232, 2538, 2790, 2820, 2914, 3348, 3384, 3720, 4185, 4230, 4371, 5076, 5580, 5640, 5828, 6345, 6696, 7285, 8370, 8460, 8742, 10152, 11160, 11656, 12690, 12791, 13113, 14570, 16740, 16920, 17484, 21855, 25380, 25582, 26226, 29140, 33480, 34968, 38373, 39339, 43710, 50760, 51164, 52452, 58280, 63955, 65565, 76746, 78678, 87420, 102328, 104904, 115119, 127910, 131130, 153492, 157356, 174840, 191865, 196695, 230238, 255820, 262260, 306984, 314712, 345357, 383730, 393390, 396521, 460476, 511640, 524520, 575595, 601177, 690714, 767460, 786780, 793042, 920952, 1151190, 1189563, 1202354, 1381428, 1534920, 1573560, 1586084, 1726785, 1803531, 1982605, 2302380, 2379126, 2404708, 2762856, 3005885, 3172168, 3453570, 3568689, 3607062, 3965210, 4604760, 4758252, 4809416, 5410593, 5947815, 6011770, 6907140, 7137378, 7214124, 7930420, 9017655, 9516504, 10706067, 10821186, 11895630, 12023540, 13814280, 14274756, 14428248, 15860840, 16231779, 17843445, 18035310, 18636487, 21412134, 21642372, 23791260, 24047080, 27052965, 28549512, 32463558, 35686890, 36070620, 37272974, 42824268, 43284744, 47582520, 53530335, 54105930, 55909461, 64927116, 71373780, 72141240, 74545948, 81158895, 85648536, 93182435, 107060670, 108211860, 111818922, 129854232, 142747560, 149091896, 162317790, 167728383, 186364870, 214121340, 216423720, 223637844, 279547305, 324635580, 335456766, 372729740, 428242680, 447275688, 503185149, 559094610, 649271160, 670913532, 745459480, 838641915, 1006370298, 1118189220, 1341827064, 1677283830, 2012740596, 2236378440, 2515925745, 3354567660, 4025481192, 5031851490, 6709135320, 10063702980, 20127405960]

約数ペア:

[(1, 20127405960), (2, 10063702980), (3, 6709135320), (4, 5031851490), (5, 4025481192), (6, 3354567660), (8, 2515925745), (9, 2236378440), (10, 2012740596), (12, 1677283830), (15, 1341827064), (18, 1118189220), (20, 1006370298), (24, 838641915), (27, 745459480), (30, 670913532), (31, 649271160), (36, 559094610), (40, 503185149), (45, 447275688), (47, 428242680), (54, 372729740), (60, 335456766), (62, 324635580), (72, 279547305), (90, 223637844), (93, 216423720), (94, 214121340), (108, 186364870), (120, 167728383), (124, 162317790), (135, 149091896), (141, 142747560), (155, 129854232), (180, 111818922), (186, 108211860), (188, 107060670), (216, 93182435), (235, 85648536), (248, 81158895), (270, 74545948), (279, 72141240), (282, 71373780), (310, 64927116), (360, 55909461), (372, 54105930), (376, 53530335), (423, 47582520), (465, 43284744), (470, 42824268), (540, 37272974), (558, 36070620), (564, 35686890), (620, 32463558), (705, 28549512), (744, 27052965), (837, 24047080), (846, 23791260), (930, 21642372), (940, 21412134), (1080, 18636487), (1116, 18035310), (1128, 17843445), (1240, 16231779), (1269, 15860840), (1395, 14428248), (1410, 14274756), (1457, 13814280), (1674, 12023540), (1692, 11895630), (1860, 10821186), (1880, 10706067), (2115, 9516504), (2232, 9017655), (2538, 7930420), (2790, 7214124), (2820, 7137378), (2914, 6907140), (3348, 6011770), (3384, 5947815), (3720, 5410593), (4185, 4809416), (4230, 4758252), (4371, 4604760), (5076, 3965210), (5580, 3607062), (5640, 3568689), (5828, 3453570), (6345, 3172168), (6696, 3005885), (7285, 2762856), (8370, 2404708), (8460, 2379126), (8742, 2302380), (10152, 1982605), (11160, 1803531), (11656, 1726785), (12690, 1586084), (12791, 1573560), (13113, 1534920), (14570, 1381428), (16740, 1202354), (16920, 1189563), (17484, 1151190), (21855, 920952), (25380, 793042), (25582, 786780), (26226, 767460), (29140, 690714), (33480, 601177), (34968, 575595), (38373, 524520), (39339, 511640), (43710, 460476), (50760, 396521), (51164, 393390), (52452, 383730), (58280, 345357), (63955, 314712), (65565, 306984), (76746, 262260), (78678, 255820), (87420, 230238), (102328, 196695), (104904, 191865), (115119, 174840), (127910, 157356), (131130, 153492)]