165140720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3978

約数の個数: 80

約数和(自身を含む): 419758848

約数和(自身を除く): 254618128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 3917, 4216, 5270, 7834, 8432, 10540, 15668, 19585, 21080, 31336, 39170, 42160, 62672, 66589, 78340, 121427, 133178, 156680, 242854, 266356, 313360, 332945, 485708, 532712, 607135, 665890, 971416, 1065424, 1214270, 1331780, 1942832, 2064259, 2428540, 2663560, 4128518, 4857080, 5327120, 8257036, 9714160, 10321295, 16514072, 20642590, 33028144, 41285180, 82570360, 165140720]

約数ペア:

[(1, 165140720), (2, 82570360), (4, 41285180), (5, 33028144), (8, 20642590), (10, 16514072), (16, 10321295), (17, 9714160), (20, 8257036), (31, 5327120), (34, 4857080), (40, 4128518), (62, 2663560), (68, 2428540), (80, 2064259), (85, 1942832), (124, 1331780), (136, 1214270), (155, 1065424), (170, 971416), (248, 665890), (272, 607135), (310, 532712), (340, 485708), (496, 332945), (527, 313360), (620, 266356), (680, 242854), (1054, 156680), (1240, 133178), (1360, 121427), (2108, 78340), (2480, 66589), (2635, 62672), (3917, 42160), (4216, 39170), (5270, 31336), (7834, 21080), (8432, 19585), (10540, 15668)]