21531828720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{170239}}^1$

素因数の和:170303

約数の個数: 160

約数和(自身を含む): 72955330560

約数和(自身を除く): 51423501840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 2040, 2108, 2480, 2635, 3162, 3720, 4080, 4216, 5270, 6324, 7440, 7905, 8432, 10540, 12648, 15810, 21080, 25296, 31620, 42160, 63240, 126480, 170239, 340478, 510717, 680956, 851195, 1021434, 1361912, 1702390, 2042868, 2553585, 2723824, 2894063, 3404780, 4085736, 5107170, 5277409, 5788126, 6809560, 8171472, 8682189, 10214340, 10554818, 11576252, 13619120, 14470315, 15832227, 17364378, 20428680, 21109636, 23152504, 26387045, 28940630, 31664454, 34728756, 40857360, 42219272, 43410945, 46305008, 52774090, 57881260, 63328908, 69457512, 79161135, 84438544, 86821890, 89715953, 105548180, 115762520, 126657816, 138915024, 158322270, 173643780, 179431906, 211096360, 231525040, 253315632, 269147859, 316644540, 347287560, 358863812, 422192720, 448579765, 538295718, 633289080, 694575120, 717727624, 897159530, 1076591436, 1266578160, 1345739295, 1435455248, 1794319060, 2153182872, 2691478590, 3588638120, 4306365744, 5382957180, 7177276240, 10765914360, 21531828720]

約数ペア:

[(1, 21531828720), (2, 10765914360), (3, 7177276240), (4, 5382957180), (5, 4306365744), (6, 3588638120), (8, 2691478590), (10, 2153182872), (12, 1794319060), (15, 1435455248), (16, 1345739295), (17, 1266578160), (20, 1076591436), (24, 897159530), (30, 717727624), (31, 694575120), (34, 633289080), (40, 538295718), (48, 448579765), (51, 422192720), (60, 358863812), (62, 347287560), (68, 316644540), (80, 269147859), (85, 253315632), (93, 231525040), (102, 211096360), (120, 179431906), (124, 173643780), (136, 158322270), (155, 138915024), (170, 126657816), (186, 115762520), (204, 105548180), (240, 89715953), (248, 86821890), (255, 84438544), (272, 79161135), (310, 69457512), (340, 63328908), (372, 57881260), (408, 52774090), (465, 46305008), (496, 43410945), (510, 42219272), (527, 40857360), (620, 34728756), (680, 31664454), (744, 28940630), (816, 26387045), (930, 23152504), (1020, 21109636), (1054, 20428680), (1240, 17364378), (1360, 15832227), (1488, 14470315), (1581, 13619120), (1860, 11576252), (2040, 10554818), (2108, 10214340), (2480, 8682189), (2635, 8171472), (3162, 6809560), (3720, 5788126), (4080, 5277409), (4216, 5107170), (5270, 4085736), (6324, 3404780), (7440, 2894063), (7905, 2723824), (8432, 2553585), (10540, 2042868), (12648, 1702390), (15810, 1361912), (21080, 1021434), (25296, 851195), (31620, 680956), (42160, 510717), (63240, 340478), (126480, 170239)]