72491320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2459}}^1$

素因数の和:2548

約数の個数: 64

約数和(自身を含む): 180662400

約数和(自身を除く): 108171080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2459, 2680, 2948, 3685, 4918, 5896, 7370, 9836, 12295, 14740, 19672, 24590, 27049, 29480, 49180, 54098, 98360, 108196, 135245, 164753, 216392, 270490, 329506, 540980, 659012, 823765, 1081960, 1318024, 1647530, 1812283, 3295060, 3624566, 6590120, 7249132, 9061415, 14498264, 18122830, 36245660, 72491320]

約数ペア:

[(1, 72491320), (2, 36245660), (4, 18122830), (5, 14498264), (8, 9061415), (10, 7249132), (11, 6590120), (20, 3624566), (22, 3295060), (40, 1812283), (44, 1647530), (55, 1318024), (67, 1081960), (88, 823765), (110, 659012), (134, 540980), (220, 329506), (268, 270490), (335, 216392), (440, 164753), (536, 135245), (670, 108196), (737, 98360), (1340, 54098), (1474, 49180), (2459, 29480), (2680, 27049), (2948, 24590), (3685, 19672), (4918, 14740), (5896, 12295), (7370, 9836)]