72015680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 112

約数和(自身を含む): 192024000

約数和(自身を除く): 120008320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 160, 164, 176, 205, 220, 320, 328, 352, 410, 440, 451, 499, 656, 704, 820, 880, 902, 998, 1312, 1640, 1760, 1804, 1996, 2255, 2495, 2624, 3280, 3520, 3608, 3992, 4510, 4990, 5489, 6560, 7216, 7984, 9020, 9980, 10978, 13120, 14432, 15968, 18040, 19960, 20459, 21956, 27445, 28864, 31936, 36080, 39920, 40918, 43912, 54890, 72160, 79840, 81836, 87824, 102295, 109780, 144320, 159680, 163672, 175648, 204590, 219560, 225049, 327344, 351296, 409180, 439120, 450098, 654688, 818360, 878240, 900196, 1125245, 1309376, 1636720, 1756480, 1800392, 2250490, 3273440, 3600784, 4500980, 6546880, 7201568, 9001960, 14403136, 18003920, 36007840, 72015680]

約数ペア:

[(1, 72015680), (2, 36007840), (4, 18003920), (5, 14403136), (8, 9001960), (10, 7201568), (11, 6546880), (16, 4500980), (20, 3600784), (22, 3273440), (32, 2250490), (40, 1800392), (41, 1756480), (44, 1636720), (55, 1309376), (64, 1125245), (80, 900196), (82, 878240), (88, 818360), (110, 654688), (160, 450098), (164, 439120), (176, 409180), (205, 351296), (220, 327344), (320, 225049), (328, 219560), (352, 204590), (410, 175648), (440, 163672), (451, 159680), (499, 144320), (656, 109780), (704, 102295), (820, 87824), (880, 81836), (902, 79840), (998, 72160), (1312, 54890), (1640, 43912), (1760, 40918), (1804, 39920), (1996, 36080), (2255, 31936), (2495, 28864), (2624, 27445), (3280, 21956), (3520, 20459), (3608, 19960), (3992, 18040), (4510, 15968), (4990, 14432), (5489, 13120), (6560, 10978), (7216, 9980), (7984, 9020)]