64991940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{859}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 198226560

約数和(自身を除く): 133234620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 388, 390, 485, 582, 780, 859, 970, 1164, 1261, 1455, 1718, 1940, 2522, 2577, 2910, 3436, 3783, 4295, 5044, 5154, 5820, 6305, 7566, 8590, 10308, 11167, 12610, 12885, 15132, 17180, 18915, 22334, 25220, 25770, 33501, 37830, 44668, 51540, 55835, 67002, 75660, 83323, 111670, 134004, 166646, 167505, 223340, 249969, 333292, 335010, 416615, 499938, 670020, 833230, 999876, 1083199, 1249845, 1666460, 2166398, 2499690, 3249597, 4332796, 4999380, 5415995, 6499194, 10831990, 12998388, 16247985, 21663980, 32495970, 64991940]

約数ペア:

[(1, 64991940), (2, 32495970), (3, 21663980), (4, 16247985), (5, 12998388), (6, 10831990), (10, 6499194), (12, 5415995), (13, 4999380), (15, 4332796), (20, 3249597), (26, 2499690), (30, 2166398), (39, 1666460), (52, 1249845), (60, 1083199), (65, 999876), (78, 833230), (97, 670020), (130, 499938), (156, 416615), (194, 335010), (195, 333292), (260, 249969), (291, 223340), (388, 167505), (390, 166646), (485, 134004), (582, 111670), (780, 83323), (859, 75660), (970, 67002), (1164, 55835), (1261, 51540), (1455, 44668), (1718, 37830), (1940, 33501), (2522, 25770), (2577, 25220), (2910, 22334), (3436, 18915), (3783, 17180), (4295, 15132), (5044, 12885), (5154, 12610), (5820, 11167), (6305, 10308), (7566, 8590)]