7321080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 25100280

約数和(自身を除く): 17779200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 169, 190, 195, 228, 247, 260, 285, 312, 338, 361, 380, 390, 456, 494, 507, 520, 570, 676, 722, 741, 760, 780, 845, 988, 1014, 1083, 1140, 1235, 1352, 1444, 1482, 1560, 1690, 1805, 1976, 2028, 2166, 2280, 2470, 2535, 2888, 2964, 3211, 3380, 3610, 3705, 4056, 4332, 4693, 4940, 5070, 5415, 5928, 6422, 6760, 7220, 7410, 8664, 9386, 9633, 9880, 10140, 10830, 12844, 14079, 14440, 14820, 16055, 18772, 19266, 20280, 21660, 23465, 25688, 28158, 29640, 32110, 37544, 38532, 43320, 46930, 48165, 56316, 61009, 64220, 70395, 77064, 93860, 96330, 112632, 122018, 128440, 140790, 183027, 187720, 192660, 244036, 281580, 305045, 366054, 385320, 488072, 563160, 610090, 732108, 915135, 1220180, 1464216, 1830270, 2440360, 3660540, 7321080]

約数ペア:

[(1, 7321080), (2, 3660540), (3, 2440360), (4, 1830270), (5, 1464216), (6, 1220180), (8, 915135), (10, 732108), (12, 610090), (13, 563160), (15, 488072), (19, 385320), (20, 366054), (24, 305045), (26, 281580), (30, 244036), (38, 192660), (39, 187720), (40, 183027), (52, 140790), (57, 128440), (60, 122018), (65, 112632), (76, 96330), (78, 93860), (95, 77064), (104, 70395), (114, 64220), (120, 61009), (130, 56316), (152, 48165), (156, 46930), (169, 43320), (190, 38532), (195, 37544), (228, 32110), (247, 29640), (260, 28158), (285, 25688), (312, 23465), (338, 21660), (361, 20280), (380, 19266), (390, 18772), (456, 16055), (494, 14820), (507, 14440), (520, 14079), (570, 12844), (676, 10830), (722, 10140), (741, 9880), (760, 9633), (780, 9386), (845, 8664), (988, 7410), (1014, 7220), (1083, 6760), (1140, 6422), (1235, 5928), (1352, 5415), (1444, 5070), (1482, 4940), (1560, 4693), (1690, 4332), (1805, 4056), (1976, 3705), (2028, 3610), (2166, 3380), (2280, 3211), (2470, 2964), (2535, 2888)]