8708281320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1\times {\mathrm{821}}^1$

素因数の和:1555

約数の個数: 128

約数和(自身を含む): 26370023040

約数和(自身を除く): 17661741720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 563, 628, 785, 821, 942, 1126, 1256, 1570, 1642, 1689, 1884, 2252, 2355, 2463, 2815, 3140, 3284, 3378, 3768, 4105, 4504, 4710, 4926, 5630, 6280, 6568, 6756, 8210, 8445, 9420, 9852, 11260, 12315, 13512, 16420, 16890, 18840, 19704, 22520, 24630, 32840, 33780, 49260, 67560, 88391, 98520, 128897, 176782, 257794, 265173, 353564, 386691, 441955, 462223, 515588, 530346, 644485, 707128, 773382, 883910, 924446, 1031176, 1060692, 1288970, 1325865, 1386669, 1546764, 1767820, 1848892, 1933455, 2121384, 2311115, 2577940, 2651730, 2773338, 3093528, 3535640, 3697784, 3866910, 4622230, 5155880, 5303460, 5546676, 6933345, 7733820, 9244460, 10606920, 11093352, 13866690, 15467640, 18488920, 27733380, 55466760, 72569011, 145138022, 217707033, 290276044, 362845055, 435414066, 580552088, 725690110, 870828132, 1088535165, 1451380220, 1741656264, 2177070330, 2902760440, 4354140660, 8708281320]

約数ペア:

[(1, 8708281320), (2, 4354140660), (3, 2902760440), (4, 2177070330), (5, 1741656264), (6, 1451380220), (8, 1088535165), (10, 870828132), (12, 725690110), (15, 580552088), (20, 435414066), (24, 362845055), (30, 290276044), (40, 217707033), (60, 145138022), (120, 72569011), (157, 55466760), (314, 27733380), (471, 18488920), (563, 15467640), (628, 13866690), (785, 11093352), (821, 10606920), (942, 9244460), (1126, 7733820), (1256, 6933345), (1570, 5546676), (1642, 5303460), (1689, 5155880), (1884, 4622230), (2252, 3866910), (2355, 3697784), (2463, 3535640), (2815, 3093528), (3140, 2773338), (3284, 2651730), (3378, 2577940), (3768, 2311115), (4105, 2121384), (4504, 1933455), (4710, 1848892), (4926, 1767820), (5630, 1546764), (6280, 1386669), (6568, 1325865), (6756, 1288970), (8210, 1060692), (8445, 1031176), (9420, 924446), (9852, 883910), (11260, 773382), (12315, 707128), (13512, 644485), (16420, 530346), (16890, 515588), (18840, 462223), (19704, 441955), (22520, 386691), (24630, 353564), (32840, 265173), (33780, 257794), (49260, 176782), (67560, 128897), (88391, 98520)]