140932720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{599}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 349531200

約数和(自身を除く): 208598480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 272, 340, 346, 599, 680, 692, 865, 1198, 1360, 1384, 1730, 2396, 2768, 2941, 2995, 3460, 4792, 5882, 5990, 6920, 9584, 10183, 11764, 11980, 13840, 14705, 20366, 23528, 23960, 29410, 40732, 47056, 47920, 50915, 58820, 81464, 101830, 103627, 117640, 162928, 203660, 207254, 235280, 407320, 414508, 518135, 814640, 829016, 1036270, 1658032, 1761659, 2072540, 3523318, 4145080, 7046636, 8290160, 8808295, 14093272, 17616590, 28186544, 35233180, 70466360, 140932720]

約数ペア:

[(1, 140932720), (2, 70466360), (4, 35233180), (5, 28186544), (8, 17616590), (10, 14093272), (16, 8808295), (17, 8290160), (20, 7046636), (34, 4145080), (40, 3523318), (68, 2072540), (80, 1761659), (85, 1658032), (136, 1036270), (170, 829016), (173, 814640), (272, 518135), (340, 414508), (346, 407320), (599, 235280), (680, 207254), (692, 203660), (865, 162928), (1198, 117640), (1360, 103627), (1384, 101830), (1730, 81464), (2396, 58820), (2768, 50915), (2941, 47920), (2995, 47056), (3460, 40732), (4792, 29410), (5882, 23960), (5990, 23528), (6920, 20366), (9584, 14705), (10183, 13840), (11764, 11980)]