257284620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{911}}^1$

素因数の和:1452

約数の個数: 96

約数和(自身を含む): 802851840

約数和(自身を除く): 545567220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 523, 540, 911, 1046, 1569, 1822, 2092, 2615, 2733, 3138, 3644, 4555, 4707, 5230, 5466, 6276, 7845, 8199, 9110, 9414, 10460, 10932, 13665, 14121, 15690, 16398, 18220, 18828, 23535, 24597, 27330, 28242, 31380, 32796, 40995, 47070, 49194, 54660, 56484, 70605, 81990, 94140, 98388, 122985, 141210, 163980, 245970, 282420, 476453, 491940, 952906, 1429359, 1905812, 2382265, 2858718, 4288077, 4764530, 5717436, 7146795, 8576154, 9529060, 12864231, 14293590, 17152308, 21440385, 25728462, 28587180, 42880770, 51456924, 64321155, 85761540, 128642310, 257284620]

約数ペア:

[(1, 257284620), (2, 128642310), (3, 85761540), (4, 64321155), (5, 51456924), (6, 42880770), (9, 28587180), (10, 25728462), (12, 21440385), (15, 17152308), (18, 14293590), (20, 12864231), (27, 9529060), (30, 8576154), (36, 7146795), (45, 5717436), (54, 4764530), (60, 4288077), (90, 2858718), (108, 2382265), (135, 1905812), (180, 1429359), (270, 952906), (523, 491940), (540, 476453), (911, 282420), (1046, 245970), (1569, 163980), (1822, 141210), (2092, 122985), (2615, 98388), (2733, 94140), (3138, 81990), (3644, 70605), (4555, 56484), (4707, 54660), (5230, 49194), (5466, 47070), (6276, 40995), (7845, 32796), (8199, 31380), (9110, 28242), (9414, 27330), (10460, 24597), (10932, 23535), (13665, 18828), (14121, 18220), (15690, 16398)]