7856940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1471

約数の個数: 96

約数和(自身を含む): 27095040

約数和(自身を除く): 19238100

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, 1439, 1820, 2730, 2878, 4317, 5460, 5756, 7195, 8634, 10073, 14390, 17268, 18707, 20146, 21585, 28780, 30219, 37414, 40292, 43170, 50365, 56121, 60438, 74828, 86340, 93535, 100730, 112242, 120876, 130949, 151095, 187070, 201460, 224484, 261898, 280605, 302190, 374140, 392847, 523796, 561210, 604380, 654745, 785694, 1122420, 1309490, 1571388, 1964235, 2618980, 3928470, 7856940]

約数ペア:

[(1, 7856940), (2, 3928470), (3, 2618980), (4, 1964235), (5, 1571388), (6, 1309490), (7, 1122420), (10, 785694), (12, 654745), (13, 604380), (14, 561210), (15, 523796), (20, 392847), (21, 374140), (26, 302190), (28, 280605), (30, 261898), (35, 224484), (39, 201460), (42, 187070), (52, 151095), (60, 130949), (65, 120876), (70, 112242), (78, 100730), (84, 93535), (91, 86340), (105, 74828), (130, 60438), (140, 56121), (156, 50365), (182, 43170), (195, 40292), (210, 37414), (260, 30219), (273, 28780), (364, 21585), (390, 20146), (420, 18707), (455, 17268), (546, 14390), (780, 10073), (910, 8634), (1092, 7195), (1365, 5756), (1439, 5460), (1820, 4317), (2730, 2878)]