2720236080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31397}}^1$

素因数の和:31451

約数の個数: 120

約数和(自身を含む): 8900202672

約数和(自身を除く): 6179966592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 912, 1083, 1140, 1444, 1520, 1805, 2166, 2280, 2888, 3610, 4332, 4560, 5415, 5776, 7220, 8664, 10830, 14440, 17328, 21660, 28880, 31397, 43320, 62794, 86640, 94191, 125588, 156985, 188382, 251176, 313970, 376764, 470955, 502352, 596543, 627940, 753528, 941910, 1193086, 1255880, 1507056, 1789629, 1883820, 2386172, 2511760, 2982715, 3579258, 3767640, 4772344, 5965430, 7158516, 7535280, 8948145, 9544688, 11334317, 11930860, 14317032, 17896290, 22668634, 23861720, 28634064, 34002951, 35792580, 45337268, 47723440, 56671585, 68005902, 71585160, 90674536, 113343170, 136011804, 143170320, 170014755, 181349072, 226686340, 272023608, 340029510, 453372680, 544047216, 680059020, 906745360, 1360118040, 2720236080]

約数ペア:

[(1, 2720236080), (2, 1360118040), (3, 906745360), (4, 680059020), (5, 544047216), (6, 453372680), (8, 340029510), (10, 272023608), (12, 226686340), (15, 181349072), (16, 170014755), (19, 143170320), (20, 136011804), (24, 113343170), (30, 90674536), (38, 71585160), (40, 68005902), (48, 56671585), (57, 47723440), (60, 45337268), (76, 35792580), (80, 34002951), (95, 28634064), (114, 23861720), (120, 22668634), (152, 17896290), (190, 14317032), (228, 11930860), (240, 11334317), (285, 9544688), (304, 8948145), (361, 7535280), (380, 7158516), (456, 5965430), (570, 4772344), (722, 3767640), (760, 3579258), (912, 2982715), (1083, 2511760), (1140, 2386172), (1444, 1883820), (1520, 1789629), (1805, 1507056), (2166, 1255880), (2280, 1193086), (2888, 941910), (3610, 753528), (4332, 627940), (4560, 596543), (5415, 502352), (5776, 470955), (7220, 376764), (8664, 313970), (10830, 251176), (14440, 188382), (17328, 156985), (21660, 125588), (28880, 94191), (31397, 86640), (43320, 62794)]