72901840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2239}}^1$

素因数の和:2300

約数の個数: 80

約数和(自身を含む): 189987840

約数和(自身を除く): 117086000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2239, 2960, 3256, 4070, 4478, 6512, 8140, 8956, 11195, 16280, 17912, 22390, 24629, 32560, 35824, 44780, 49258, 82843, 89560, 98516, 123145, 165686, 179120, 197032, 246290, 331372, 394064, 414215, 492580, 662744, 828430, 911273, 985160, 1325488, 1656860, 1822546, 1970320, 3313720, 3645092, 4556365, 6627440, 7290184, 9112730, 14580368, 18225460, 36450920, 72901840]

約数ペア:

[(1, 72901840), (2, 36450920), (4, 18225460), (5, 14580368), (8, 9112730), (10, 7290184), (11, 6627440), (16, 4556365), (20, 3645092), (22, 3313720), (37, 1970320), (40, 1822546), (44, 1656860), (55, 1325488), (74, 985160), (80, 911273), (88, 828430), (110, 662744), (148, 492580), (176, 414215), (185, 394064), (220, 331372), (296, 246290), (370, 197032), (407, 179120), (440, 165686), (592, 123145), (740, 98516), (814, 89560), (880, 82843), (1480, 49258), (1628, 44780), (2035, 35824), (2239, 32560), (2960, 24629), (3256, 22390), (4070, 17912), (4478, 16280), (6512, 11195), (8140, 8956)]