81505320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4019}}^1$

素因数の和:4059

約数の個数: 96

約数和(自身を含む): 264837600

約数和(自身を除く): 183332280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2535, 3380, 4019, 4056, 5070, 6760, 8038, 10140, 12057, 16076, 20095, 20280, 24114, 32152, 40190, 48228, 52247, 60285, 80380, 96456, 104494, 120570, 156741, 160760, 208988, 241140, 261235, 313482, 417976, 482280, 522470, 626964, 679211, 783705, 1044940, 1253928, 1358422, 1567410, 2037633, 2089880, 2716844, 3134820, 3396055, 4075266, 5433688, 6269640, 6792110, 8150532, 10188165, 13584220, 16301064, 20376330, 27168440, 40752660, 81505320]

約数ペア:

[(1, 81505320), (2, 40752660), (3, 27168440), (4, 20376330), (5, 16301064), (6, 13584220), (8, 10188165), (10, 8150532), (12, 6792110), (13, 6269640), (15, 5433688), (20, 4075266), (24, 3396055), (26, 3134820), (30, 2716844), (39, 2089880), (40, 2037633), (52, 1567410), (60, 1358422), (65, 1253928), (78, 1044940), (104, 783705), (120, 679211), (130, 626964), (156, 522470), (169, 482280), (195, 417976), (260, 313482), (312, 261235), (338, 241140), (390, 208988), (507, 160760), (520, 156741), (676, 120570), (780, 104494), (845, 96456), (1014, 80380), (1352, 60285), (1560, 52247), (1690, 48228), (2028, 40190), (2535, 32152), (3380, 24114), (4019, 20280), (4056, 20095), (5070, 16076), (6760, 12057), (8038, 10140)]