71895200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 195987456

約数和(自身を除く): 124092256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 223, 248, 260, 310, 325, 400, 403, 416, 446, 496, 520, 620, 650, 775, 800, 806, 892, 992, 1040, 1115, 1240, 1300, 1550, 1612, 1784, 2015, 2080, 2230, 2480, 2600, 2899, 3100, 3224, 3568, 4030, 4460, 4960, 5200, 5575, 5798, 6200, 6448, 6913, 7136, 8060, 8920, 10075, 10400, 11150, 11596, 12400, 12896, 13826, 14495, 16120, 17840, 20150, 22300, 23192, 24800, 27652, 28990, 32240, 34565, 35680, 40300, 44600, 46384, 55304, 57980, 64480, 69130, 72475, 80600, 89200, 89869, 92768, 110608, 115960, 138260, 144950, 161200, 172825, 178400, 179738, 221216, 231920, 276520, 289900, 322400, 345650, 359476, 449345, 463840, 553040, 579800, 691300, 718952, 898690, 1106080, 1159600, 1382600, 1437904, 1797380, 2246725, 2319200, 2765200, 2875808, 3594760, 4493450, 5530400, 7189520, 8986900, 14379040, 17973800, 35947600, 71895200]

約数ペア:

[(1, 71895200), (2, 35947600), (4, 17973800), (5, 14379040), (8, 8986900), (10, 7189520), (13, 5530400), (16, 4493450), (20, 3594760), (25, 2875808), (26, 2765200), (31, 2319200), (32, 2246725), (40, 1797380), (50, 1437904), (52, 1382600), (62, 1159600), (65, 1106080), (80, 898690), (100, 718952), (104, 691300), (124, 579800), (130, 553040), (155, 463840), (160, 449345), (200, 359476), (208, 345650), (223, 322400), (248, 289900), (260, 276520), (310, 231920), (325, 221216), (400, 179738), (403, 178400), (416, 172825), (446, 161200), (496, 144950), (520, 138260), (620, 115960), (650, 110608), (775, 92768), (800, 89869), (806, 89200), (892, 80600), (992, 72475), (1040, 69130), (1115, 64480), (1240, 57980), (1300, 55304), (1550, 46384), (1612, 44600), (1784, 40300), (2015, 35680), (2080, 34565), (2230, 32240), (2480, 28990), (2600, 27652), (2899, 24800), (3100, 23192), (3224, 22300), (3568, 20150), (4030, 17840), (4460, 16120), (4960, 14495), (5200, 13826), (5575, 12896), (5798, 12400), (6200, 11596), (6448, 11150), (6913, 10400), (7136, 10075), (8060, 8920)]