30808420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 73543680

約数和(自身を除く): 42735260

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 37, 62, 68, 74, 79, 85, 124, 148, 155, 158, 170, 185, 310, 316, 340, 370, 395, 527, 620, 629, 740, 790, 1054, 1147, 1258, 1343, 1580, 2108, 2294, 2449, 2516, 2635, 2686, 2923, 3145, 4588, 4898, 5270, 5372, 5735, 5846, 6290, 6715, 9796, 10540, 11470, 11692, 12245, 12580, 13430, 14615, 19499, 22940, 24490, 26860, 29230, 38998, 41633, 48980, 49691, 58460, 77996, 83266, 90613, 97495, 99382, 166532, 181226, 194990, 198764, 208165, 248455, 362452, 389980, 416330, 453065, 496910, 832660, 906130, 993820, 1540421, 1812260, 3080842, 6161684, 7702105, 15404210, 30808420]

約数ペア:

[(1, 30808420), (2, 15404210), (4, 7702105), (5, 6161684), (10, 3080842), (17, 1812260), (20, 1540421), (31, 993820), (34, 906130), (37, 832660), (62, 496910), (68, 453065), (74, 416330), (79, 389980), (85, 362452), (124, 248455), (148, 208165), (155, 198764), (158, 194990), (170, 181226), (185, 166532), (310, 99382), (316, 97495), (340, 90613), (370, 83266), (395, 77996), (527, 58460), (620, 49691), (629, 48980), (740, 41633), (790, 38998), (1054, 29230), (1147, 26860), (1258, 24490), (1343, 22940), (1580, 19499), (2108, 14615), (2294, 13430), (2449, 12580), (2516, 12245), (2635, 11692), (2686, 11470), (2923, 10540), (3145, 9796), (4588, 6715), (4898, 6290), (5270, 5846), (5372, 5735)]