28354680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1093

約数の個数: 96

約数和(自身を含む): 93412800

約数和(自身を除く): 65058120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 997, 1185, 1422, 1580, 1896, 1994, 2370, 2844, 2991, 3160, 3555, 3988, 4740, 4985, 5688, 5982, 7110, 7976, 8973, 9480, 9970, 11964, 14220, 14955, 17946, 19940, 23928, 28440, 29910, 35892, 39880, 44865, 59820, 71784, 78763, 89730, 119640, 157526, 179460, 236289, 315052, 358920, 393815, 472578, 630104, 708867, 787630, 945156, 1181445, 1417734, 1575260, 1890312, 2362890, 2835468, 3150520, 3544335, 4725780, 5670936, 7088670, 9451560, 14177340, 28354680]

約数ペア:

[(1, 28354680), (2, 14177340), (3, 9451560), (4, 7088670), (5, 5670936), (6, 4725780), (8, 3544335), (9, 3150520), (10, 2835468), (12, 2362890), (15, 1890312), (18, 1575260), (20, 1417734), (24, 1181445), (30, 945156), (36, 787630), (40, 708867), (45, 630104), (60, 472578), (72, 393815), (79, 358920), (90, 315052), (120, 236289), (158, 179460), (180, 157526), (237, 119640), (316, 89730), (360, 78763), (395, 71784), (474, 59820), (632, 44865), (711, 39880), (790, 35892), (948, 29910), (997, 28440), (1185, 23928), (1422, 19940), (1580, 17946), (1896, 14955), (1994, 14220), (2370, 11964), (2844, 9970), (2991, 9480), (3160, 8973), (3555, 7976), (3988, 7110), (4740, 5982), (4985, 5688)]