306398040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1221

約数の個数: 128

約数和(自身を含む): 995924160

約数和(自身を除く): 689526120

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, 195, 197, 260, 312, 390, 394, 520, 591, 780, 788, 985, 997, 1182, 1560, 1576, 1970, 1994, 2364, 2561, 2955, 2991, 3940, 3988, 4728, 4985, 5122, 5910, 5982, 7683, 7880, 7976, 9970, 10244, 11820, 11964, 12805, 12961, 14955, 15366, 19940, 20488, 23640, 23928, 25610, 25922, 29910, 30732, 38415, 38883, 39880, 51220, 51844, 59820, 61464, 64805, 76830, 77766, 102440, 103688, 119640, 129610, 153660, 155532, 194415, 196409, 259220, 307320, 311064, 388830, 392818, 518440, 589227, 777660, 785636, 982045, 1178454, 1555320, 1571272, 1964090, 2356908, 2553317, 2946135, 3928180, 4713816, 5106634, 5892270, 7659951, 7856360, 10213268, 11784540, 12766585, 15319902, 20426536, 23569080, 25533170, 30639804, 38299755, 51066340, 61279608, 76599510, 102132680, 153199020, 306398040]

約数ペア:

[(1, 306398040), (2, 153199020), (3, 102132680), (4, 76599510), (5, 61279608), (6, 51066340), (8, 38299755), (10, 30639804), (12, 25533170), (13, 23569080), (15, 20426536), (20, 15319902), (24, 12766585), (26, 11784540), (30, 10213268), (39, 7856360), (40, 7659951), (52, 5892270), (60, 5106634), (65, 4713816), (78, 3928180), (104, 2946135), (120, 2553317), (130, 2356908), (156, 1964090), (195, 1571272), (197, 1555320), (260, 1178454), (312, 982045), (390, 785636), (394, 777660), (520, 589227), (591, 518440), (780, 392818), (788, 388830), (985, 311064), (997, 307320), (1182, 259220), (1560, 196409), (1576, 194415), (1970, 155532), (1994, 153660), (2364, 129610), (2561, 119640), (2955, 103688), (2991, 102440), (3940, 77766), (3988, 76830), (4728, 64805), (4985, 61464), (5122, 59820), (5910, 51844), (5982, 51220), (7683, 39880), (7880, 38883), (7976, 38415), (9970, 30732), (10244, 29910), (11820, 25922), (11964, 25610), (12805, 23928), (12961, 23640), (14955, 20488), (15366, 19940)]