72970960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 178381440

約数和(自身を除く): 105410480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 232, 284, 290, 355, 443, 464, 568, 580, 710, 886, 1136, 1160, 1420, 1772, 2059, 2215, 2320, 2840, 3544, 4118, 4430, 5680, 7088, 8236, 8860, 10295, 12847, 16472, 17720, 20590, 25694, 31453, 32944, 35440, 41180, 51388, 62906, 64235, 82360, 102776, 125812, 128470, 157265, 164720, 205552, 251624, 256940, 314530, 503248, 513880, 629060, 912137, 1027760, 1258120, 1824274, 2516240, 3648548, 4560685, 7297096, 9121370, 14594192, 18242740, 36485480, 72970960]

約数ペア:

[(1, 72970960), (2, 36485480), (4, 18242740), (5, 14594192), (8, 9121370), (10, 7297096), (16, 4560685), (20, 3648548), (29, 2516240), (40, 1824274), (58, 1258120), (71, 1027760), (80, 912137), (116, 629060), (142, 513880), (145, 503248), (232, 314530), (284, 256940), (290, 251624), (355, 205552), (443, 164720), (464, 157265), (568, 128470), (580, 125812), (710, 102776), (886, 82360), (1136, 64235), (1160, 62906), (1420, 51388), (1772, 41180), (2059, 35440), (2215, 32944), (2320, 31453), (2840, 25694), (3544, 20590), (4118, 17720), (4430, 16472), (5680, 12847), (7088, 10295), (8236, 8860)]