72908480

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3297

約数の個数: 56

約数和(自身を含む): 176113440

約数和(自身を除く): 103204960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 3209, 4544, 5680, 6418, 11360, 12836, 16045, 22720, 25672, 32090, 51344, 64180, 102688, 128360, 205376, 227839, 256720, 455678, 513440, 911356, 1026880, 1139195, 1822712, 2278390, 3645424, 4556780, 7290848, 9113560, 14581696, 18227120, 36454240, 72908480]

約数ペア:

[(1, 72908480), (2, 36454240), (4, 18227120), (5, 14581696), (8, 9113560), (10, 7290848), (16, 4556780), (20, 3645424), (32, 2278390), (40, 1822712), (64, 1139195), (71, 1026880), (80, 911356), (142, 513440), (160, 455678), (284, 256720), (320, 227839), (355, 205376), (568, 128360), (710, 102688), (1136, 64180), (1420, 51344), (2272, 32090), (2840, 25672), (3209, 22720), (4544, 16045), (5680, 12836), (6418, 11360)]