51536940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9439}}^1$

素因数の和:9471

約数の個数: 96

約数和(自身を含む): 177623040

約数和(自身を除く): 126086100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 9439, 18878, 28317, 37756, 47195, 56634, 66073, 94390, 113268, 122707, 132146, 141585, 188780, 198219, 245414, 264292, 283170, 330365, 368121, 396438, 490828, 566340, 613535, 660730, 736242, 792876, 858949, 991095, 1227070, 1321460, 1472484, 1717898, 1840605, 1982190, 2454140, 2576847, 3435796, 3681210, 3964380, 4294745, 5153694, 7362420, 8589490, 10307388, 12884235, 17178980, 25768470, 51536940]

約数ペア:

[(1, 51536940), (2, 25768470), (3, 17178980), (4, 12884235), (5, 10307388), (6, 8589490), (7, 7362420), (10, 5153694), (12, 4294745), (13, 3964380), (14, 3681210), (15, 3435796), (20, 2576847), (21, 2454140), (26, 1982190), (28, 1840605), (30, 1717898), (35, 1472484), (39, 1321460), (42, 1227070), (52, 991095), (60, 858949), (65, 792876), (70, 736242), (78, 660730), (84, 613535), (91, 566340), (105, 490828), (130, 396438), (140, 368121), (156, 330365), (182, 283170), (195, 264292), (210, 245414), (260, 198219), (273, 188780), (364, 141585), (390, 132146), (420, 122707), (455, 113268), (546, 94390), (780, 66073), (910, 56634), (1092, 47195), (1365, 37756), (1820, 28317), (2730, 18878), (5460, 9439)]