161421000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4139}}^1$

素因数の和:4176

約数の個数: 128

約数和(自身を含む): 542505600

約数和(自身を除く): 381084600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 650, 750, 780, 975, 1000, 1300, 1500, 1560, 1625, 1950, 2600, 3000, 3250, 3900, 4139, 4875, 6500, 7800, 8278, 9750, 12417, 13000, 16556, 19500, 20695, 24834, 33112, 39000, 41390, 49668, 53807, 62085, 82780, 99336, 103475, 107614, 124170, 161421, 165560, 206950, 215228, 248340, 269035, 310425, 322842, 413900, 430456, 496680, 517375, 538070, 620850, 645684, 807105, 827800, 1034750, 1076140, 1241700, 1291368, 1345175, 1552125, 1614210, 2069500, 2152280, 2483400, 2690350, 3104250, 3228420, 4035525, 4139000, 5380700, 6208500, 6456840, 6725875, 8071050, 10761400, 12417000, 13451750, 16142100, 20177625, 26903500, 32284200, 40355250, 53807000, 80710500, 161421000]

約数ペア:

[(1, 161421000), (2, 80710500), (3, 53807000), (4, 40355250), (5, 32284200), (6, 26903500), (8, 20177625), (10, 16142100), (12, 13451750), (13, 12417000), (15, 10761400), (20, 8071050), (24, 6725875), (25, 6456840), (26, 6208500), (30, 5380700), (39, 4139000), (40, 4035525), (50, 3228420), (52, 3104250), (60, 2690350), (65, 2483400), (75, 2152280), (78, 2069500), (100, 1614210), (104, 1552125), (120, 1345175), (125, 1291368), (130, 1241700), (150, 1076140), (156, 1034750), (195, 827800), (200, 807105), (250, 645684), (260, 620850), (300, 538070), (312, 517375), (325, 496680), (375, 430456), (390, 413900), (500, 322842), (520, 310425), (600, 269035), (650, 248340), (750, 215228), (780, 206950), (975, 165560), (1000, 161421), (1300, 124170), (1500, 107614), (1560, 103475), (1625, 99336), (1950, 82780), (2600, 62085), (3000, 53807), (3250, 49668), (3900, 41390), (4139, 39000), (4875, 33112), (6500, 24834), (7800, 20695), (8278, 19500), (9750, 16556), (12417, 13000)]