64535100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 216652800

約数和(自身を除く): 152117700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 79, 84, 100, 105, 140, 150, 158, 175, 210, 237, 300, 316, 350, 389, 395, 420, 474, 525, 553, 700, 778, 790, 948, 1050, 1106, 1167, 1185, 1556, 1580, 1659, 1945, 1975, 2100, 2212, 2334, 2370, 2723, 2765, 3318, 3890, 3950, 4668, 4740, 5446, 5530, 5835, 5925, 6636, 7780, 7900, 8169, 8295, 9725, 10892, 11060, 11670, 11850, 13615, 13825, 16338, 16590, 19450, 23340, 23700, 27230, 27650, 29175, 30731, 32676, 33180, 38900, 40845, 41475, 54460, 55300, 58350, 61462, 68075, 81690, 82950, 92193, 116700, 122924, 136150, 153655, 163380, 165900, 184386, 204225, 215117, 272300, 307310, 368772, 408450, 430234, 460965, 614620, 645351, 768275, 816900, 860468, 921930, 1075585, 1290702, 1536550, 1843860, 2151170, 2304825, 2581404, 3073100, 3226755, 4302340, 4609650, 5377925, 6453510, 9219300, 10755850, 12907020, 16133775, 21511700, 32267550, 64535100]

約数ペア:

[(1, 64535100), (2, 32267550), (3, 21511700), (4, 16133775), (5, 12907020), (6, 10755850), (7, 9219300), (10, 6453510), (12, 5377925), (14, 4609650), (15, 4302340), (20, 3226755), (21, 3073100), (25, 2581404), (28, 2304825), (30, 2151170), (35, 1843860), (42, 1536550), (50, 1290702), (60, 1075585), (70, 921930), (75, 860468), (79, 816900), (84, 768275), (100, 645351), (105, 614620), (140, 460965), (150, 430234), (158, 408450), (175, 368772), (210, 307310), (237, 272300), (300, 215117), (316, 204225), (350, 184386), (389, 165900), (395, 163380), (420, 153655), (474, 136150), (525, 122924), (553, 116700), (700, 92193), (778, 82950), (790, 81690), (948, 68075), (1050, 61462), (1106, 58350), (1167, 55300), (1185, 54460), (1556, 41475), (1580, 40845), (1659, 38900), (1945, 33180), (1975, 32676), (2100, 30731), (2212, 29175), (2334, 27650), (2370, 27230), (2723, 23700), (2765, 23340), (3318, 19450), (3890, 16590), (3950, 16338), (4668, 13825), (4740, 13615), (5446, 11850), (5530, 11670), (5835, 11060), (5925, 10892), (6636, 9725), (7780, 8295), (7900, 8169)]