1231268080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{10831}}^1$

素因数の和:10887

約数の個数: 120

約数和(自身を含む): 3445225920

約数和(自身を除く): 2213957840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 980, 1015, 1160, 1421, 1624, 1960, 2030, 2320, 2842, 3248, 3920, 4060, 5684, 7105, 8120, 10831, 11368, 14210, 16240, 21662, 22736, 28420, 43324, 54155, 56840, 75817, 86648, 108310, 113680, 151634, 173296, 216620, 303268, 314099, 379085, 433240, 530719, 606536, 628198, 758170, 866480, 1061438, 1213072, 1256396, 1516340, 1570495, 2122876, 2198693, 2512792, 2653595, 3032680, 3140990, 4245752, 4397386, 5025584, 5307190, 6065360, 6281980, 8491504, 8794772, 10614380, 10993465, 12563960, 15390851, 17589544, 21228760, 21986930, 25127920, 30781702, 35179088, 42457520, 43973860, 61563404, 76954255, 87947720, 123126808, 153908510, 175895440, 246253616, 307817020, 615634040, 1231268080]

約数ペア:

[(1, 1231268080), (2, 615634040), (4, 307817020), (5, 246253616), (7, 175895440), (8, 153908510), (10, 123126808), (14, 87947720), (16, 76954255), (20, 61563404), (28, 43973860), (29, 42457520), (35, 35179088), (40, 30781702), (49, 25127920), (56, 21986930), (58, 21228760), (70, 17589544), (80, 15390851), (98, 12563960), (112, 10993465), (116, 10614380), (140, 8794772), (145, 8491504), (196, 6281980), (203, 6065360), (232, 5307190), (245, 5025584), (280, 4397386), (290, 4245752), (392, 3140990), (406, 3032680), (464, 2653595), (490, 2512792), (560, 2198693), (580, 2122876), (784, 1570495), (812, 1516340), (980, 1256396), (1015, 1213072), (1160, 1061438), (1421, 866480), (1624, 758170), (1960, 628198), (2030, 606536), (2320, 530719), (2842, 433240), (3248, 379085), (3920, 314099), (4060, 303268), (5684, 216620), (7105, 173296), (8120, 151634), (10831, 113680), (11368, 108310), (14210, 86648), (16240, 75817), (21662, 56840), (22736, 54155), (28420, 43324)]