771796720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{17509}}^1$

素因数の和:17570

約数の個数: 80

約数和(自身を含む): 1954116000

約数和(自身を除く): 1182319280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 2204, 2320, 2755, 4408, 5510, 8816, 11020, 17509, 22040, 35018, 44080, 70036, 87545, 140072, 175090, 280144, 332671, 350180, 507761, 665342, 700360, 1015522, 1330684, 1400720, 1663355, 2031044, 2538805, 2661368, 3326710, 4062088, 5077610, 5322736, 6653420, 8124176, 9647459, 10155220, 13306840, 19294918, 20310440, 26613680, 38589836, 40620880, 48237295, 77179672, 96474590, 154359344, 192949180, 385898360, 771796720]

約数ペア:

[(1, 771796720), (2, 385898360), (4, 192949180), (5, 154359344), (8, 96474590), (10, 77179672), (16, 48237295), (19, 40620880), (20, 38589836), (29, 26613680), (38, 20310440), (40, 19294918), (58, 13306840), (76, 10155220), (80, 9647459), (95, 8124176), (116, 6653420), (145, 5322736), (152, 5077610), (190, 4062088), (232, 3326710), (290, 2661368), (304, 2538805), (380, 2031044), (464, 1663355), (551, 1400720), (580, 1330684), (760, 1015522), (1102, 700360), (1160, 665342), (1520, 507761), (2204, 350180), (2320, 332671), (2755, 280144), (4408, 175090), (5510, 140072), (8816, 87545), (11020, 70036), (17509, 44080), (22040, 35018)]