55507360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 108

約数和(自身を含む): 143009874

約数和(自身を除く): 87502514

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 361, 380, 496, 589, 608, 620, 722, 760, 961, 992, 1178, 1240, 1444, 1520, 1805, 1922, 2356, 2480, 2888, 2945, 3040, 3610, 3844, 4712, 4805, 4960, 5776, 5890, 7220, 7688, 9424, 9610, 11191, 11552, 11780, 14440, 15376, 18259, 18848, 19220, 22382, 23560, 28880, 30752, 36518, 38440, 44764, 47120, 55955, 57760, 73036, 76880, 89528, 91295, 94240, 111910, 146072, 153760, 179056, 182590, 223820, 292144, 346921, 358112, 365180, 447640, 584288, 693842, 730360, 895280, 1387684, 1460720, 1734605, 1790560, 2775368, 2921440, 3469210, 5550736, 6938420, 11101472, 13876840, 27753680, 55507360]

約数ペア:

[(1, 55507360), (2, 27753680), (4, 13876840), (5, 11101472), (8, 6938420), (10, 5550736), (16, 3469210), (19, 2921440), (20, 2775368), (31, 1790560), (32, 1734605), (38, 1460720), (40, 1387684), (62, 895280), (76, 730360), (80, 693842), (95, 584288), (124, 447640), (152, 365180), (155, 358112), (160, 346921), (190, 292144), (248, 223820), (304, 182590), (310, 179056), (361, 153760), (380, 146072), (496, 111910), (589, 94240), (608, 91295), (620, 89528), (722, 76880), (760, 73036), (961, 57760), (992, 55955), (1178, 47120), (1240, 44764), (1444, 38440), (1520, 36518), (1805, 30752), (1922, 28880), (2356, 23560), (2480, 22382), (2888, 19220), (2945, 18848), (3040, 18259), (3610, 15376), (3844, 14440), (4712, 11780), (4805, 11552), (4960, 11191), (5776, 9610), (5890, 9424), (7220, 7688)]