72214640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1890

約数の個数: 80

約数和(自身を含む): 184006080

約数和(自身を除く): 111791440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1831, 1972, 2320, 2465, 3662, 3944, 4930, 7324, 7888, 9155, 9860, 14648, 18310, 19720, 29296, 31127, 36620, 39440, 53099, 62254, 73240, 106198, 124508, 146480, 155635, 212396, 249016, 265495, 311270, 424792, 498032, 530990, 622540, 849584, 902683, 1061980, 1245080, 1805366, 2123960, 2490160, 3610732, 4247920, 4513415, 7221464, 9026830, 14442928, 18053660, 36107320, 72214640]

約数ペア:

[(1, 72214640), (2, 36107320), (4, 18053660), (5, 14442928), (8, 9026830), (10, 7221464), (16, 4513415), (17, 4247920), (20, 3610732), (29, 2490160), (34, 2123960), (40, 1805366), (58, 1245080), (68, 1061980), (80, 902683), (85, 849584), (116, 622540), (136, 530990), (145, 498032), (170, 424792), (232, 311270), (272, 265495), (290, 249016), (340, 212396), (464, 155635), (493, 146480), (580, 124508), (680, 106198), (986, 73240), (1160, 62254), (1360, 53099), (1831, 39440), (1972, 36620), (2320, 31127), (2465, 29296), (3662, 19720), (3944, 18310), (4930, 14648), (7324, 9860), (7888, 9155)]