40721340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 128701440

約数和(自身を除く): 87980100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 79, 110, 121, 132, 142, 158, 165, 213, 220, 237, 242, 284, 316, 330, 355, 363, 395, 426, 474, 484, 605, 660, 710, 726, 781, 790, 852, 869, 948, 1065, 1185, 1210, 1420, 1452, 1562, 1580, 1738, 1815, 2130, 2343, 2370, 2420, 2607, 3124, 3476, 3630, 3905, 4260, 4345, 4686, 4740, 5214, 5609, 7260, 7810, 8591, 8690, 9372, 9559, 10428, 11218, 11715, 13035, 15620, 16827, 17182, 17380, 19118, 22436, 23430, 25773, 26070, 28045, 28677, 33654, 34364, 38236, 42955, 46860, 47795, 51546, 52140, 56090, 57354, 61699, 67308, 84135, 85910, 95590, 103092, 112180, 114708, 123398, 128865, 143385, 168270, 171820, 185097, 191180, 246796, 257730, 286770, 308495, 336540, 370194, 515460, 573540, 616990, 678689, 740388, 925485, 1233980, 1357378, 1850970, 2036067, 2714756, 3393445, 3701940, 4072134, 6786890, 8144268, 10180335, 13573780, 20360670, 40721340]

約数ペア:

[(1, 40721340), (2, 20360670), (3, 13573780), (4, 10180335), (5, 8144268), (6, 6786890), (10, 4072134), (11, 3701940), (12, 3393445), (15, 2714756), (20, 2036067), (22, 1850970), (30, 1357378), (33, 1233980), (44, 925485), (55, 740388), (60, 678689), (66, 616990), (71, 573540), (79, 515460), (110, 370194), (121, 336540), (132, 308495), (142, 286770), (158, 257730), (165, 246796), (213, 191180), (220, 185097), (237, 171820), (242, 168270), (284, 143385), (316, 128865), (330, 123398), (355, 114708), (363, 112180), (395, 103092), (426, 95590), (474, 85910), (484, 84135), (605, 67308), (660, 61699), (710, 57354), (726, 56090), (781, 52140), (790, 51546), (852, 47795), (869, 46860), (948, 42955), (1065, 38236), (1185, 34364), (1210, 33654), (1420, 28677), (1452, 28045), (1562, 26070), (1580, 25773), (1738, 23430), (1815, 22436), (2130, 19118), (2343, 17380), (2370, 17182), (2420, 16827), (2607, 15620), (3124, 13035), (3476, 11715), (3630, 11218), (3905, 10428), (4260, 9559), (4345, 9372), (4686, 8690), (4740, 8591), (5214, 7810), (5609, 7260)]