128576840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14813}}^1$

素因数の和:14862

約数の個数: 64

約数和(自身を含む): 341314560

約数和(自身を除く): 212737720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 14813, 29626, 59252, 74065, 103691, 118504, 148130, 207382, 296260, 414764, 459203, 518455, 592520, 829528, 918406, 1036910, 1836812, 2073820, 2296015, 3214421, 3673624, 4147640, 4592030, 6428842, 9184060, 12857684, 16072105, 18368120, 25715368, 32144210, 64288420, 128576840]

約数ペア:

[(1, 128576840), (2, 64288420), (4, 32144210), (5, 25715368), (7, 18368120), (8, 16072105), (10, 12857684), (14, 9184060), (20, 6428842), (28, 4592030), (31, 4147640), (35, 3673624), (40, 3214421), (56, 2296015), (62, 2073820), (70, 1836812), (124, 1036910), (140, 918406), (155, 829528), (217, 592520), (248, 518455), (280, 459203), (310, 414764), (434, 296260), (620, 207382), (868, 148130), (1085, 118504), (1240, 103691), (1736, 74065), (2170, 59252), (4340, 29626), (8680, 14813)]