80228640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{463}}^1$

素因数の和:519

約数の個数: 144

約数和(自身を含む): 267297408

約数和(自身を除く): 187068768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 361, 380, 456, 463, 480, 570, 608, 722, 760, 912, 926, 1083, 1140, 1389, 1444, 1520, 1805, 1824, 1852, 2166, 2280, 2315, 2778, 2888, 3040, 3610, 3704, 4332, 4560, 4630, 5415, 5556, 5776, 6945, 7220, 7408, 8664, 8797, 9120, 9260, 10830, 11112, 11552, 13890, 14440, 14816, 17328, 17594, 18520, 21660, 22224, 26391, 27780, 28880, 34656, 35188, 37040, 43320, 43985, 44448, 52782, 55560, 57760, 70376, 74080, 86640, 87970, 105564, 111120, 131955, 140752, 167143, 173280, 175940, 211128, 222240, 263910, 281504, 334286, 351880, 422256, 501429, 527820, 668572, 703760, 835715, 844512, 1002858, 1055640, 1337144, 1407520, 1671430, 2005716, 2111280, 2507145, 2674288, 3342860, 4011432, 4222560, 5014290, 5348576, 6685720, 8022864, 10028580, 13371440, 16045728, 20057160, 26742880, 40114320, 80228640]

約数ペア:

[(1, 80228640), (2, 40114320), (3, 26742880), (4, 20057160), (5, 16045728), (6, 13371440), (8, 10028580), (10, 8022864), (12, 6685720), (15, 5348576), (16, 5014290), (19, 4222560), (20, 4011432), (24, 3342860), (30, 2674288), (32, 2507145), (38, 2111280), (40, 2005716), (48, 1671430), (57, 1407520), (60, 1337144), (76, 1055640), (80, 1002858), (95, 844512), (96, 835715), (114, 703760), (120, 668572), (152, 527820), (160, 501429), (190, 422256), (228, 351880), (240, 334286), (285, 281504), (304, 263910), (361, 222240), (380, 211128), (456, 175940), (463, 173280), (480, 167143), (570, 140752), (608, 131955), (722, 111120), (760, 105564), (912, 87970), (926, 86640), (1083, 74080), (1140, 70376), (1389, 57760), (1444, 55560), (1520, 52782), (1805, 44448), (1824, 43985), (1852, 43320), (2166, 37040), (2280, 35188), (2315, 34656), (2778, 28880), (2888, 27780), (3040, 26391), (3610, 22224), (3704, 21660), (4332, 18520), (4560, 17594), (4630, 17328), (5415, 14816), (5556, 14440), (5776, 13890), (6945, 11552), (7220, 11112), (7408, 10830), (8664, 9260), (8797, 9120)]