20315574440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{77933}}^1$

素因数の和:77984

約数の個数: 128

約数和(自身を含む): 56112480000

約数和(自身を除く): 35796905560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 343, 380, 392, 490, 532, 665, 686, 760, 931, 980, 1064, 1330, 1372, 1715, 1862, 1960, 2660, 2744, 3430, 3724, 4655, 5320, 6517, 6860, 7448, 9310, 13034, 13720, 18620, 26068, 32585, 37240, 52136, 65170, 77933, 130340, 155866, 260680, 311732, 389665, 545531, 623464, 779330, 1091062, 1480727, 1558660, 2182124, 2727655, 2961454, 3117320, 3818717, 4364248, 5455310, 5922908, 7403635, 7637434, 10365089, 10910620, 11845816, 14807270, 15274868, 19093585, 20730178, 21821240, 26731019, 29614540, 30549736, 38187170, 41460356, 51825445, 53462038, 59229080, 72555623, 76374340, 82920712, 103650890, 106924076, 133655095, 145111246, 152748680, 207301780, 213848152, 267310190, 290222492, 362778115, 414603560, 507889361, 534620380, 580444984, 725556230, 1015778722, 1069240760, 1451112460, 2031557444, 2539446805, 2902224920, 4063114888, 5078893610, 10157787220, 20315574440]

約数ペア:

[(1, 20315574440), (2, 10157787220), (4, 5078893610), (5, 4063114888), (7, 2902224920), (8, 2539446805), (10, 2031557444), (14, 1451112460), (19, 1069240760), (20, 1015778722), (28, 725556230), (35, 580444984), (38, 534620380), (40, 507889361), (49, 414603560), (56, 362778115), (70, 290222492), (76, 267310190), (95, 213848152), (98, 207301780), (133, 152748680), (140, 145111246), (152, 133655095), (190, 106924076), (196, 103650890), (245, 82920712), (266, 76374340), (280, 72555623), (343, 59229080), (380, 53462038), (392, 51825445), (490, 41460356), (532, 38187170), (665, 30549736), (686, 29614540), (760, 26731019), (931, 21821240), (980, 20730178), (1064, 19093585), (1330, 15274868), (1372, 14807270), (1715, 11845816), (1862, 10910620), (1960, 10365089), (2660, 7637434), (2744, 7403635), (3430, 5922908), (3724, 5455310), (4655, 4364248), (5320, 3818717), (6517, 3117320), (6860, 2961454), (7448, 2727655), (9310, 2182124), (13034, 1558660), (13720, 1480727), (18620, 1091062), (26068, 779330), (32585, 623464), (37240, 545531), (52136, 389665), (65170, 311732), (77933, 260680), (130340, 155866)]