138763980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3457}}^1$

素因数の和:3695

約数の個数: 72

約数和(自身を含む): 422927232

約数和(自身を除く): 284163252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 3457, 4014, 4460, 6690, 6914, 8028, 10035, 10371, 13380, 13828, 17285, 20070, 20742, 31113, 34570, 40140, 41484, 51855, 62226, 69140, 103710, 124452, 155565, 207420, 311130, 622260, 770911, 1541822, 2312733, 3083644, 3854555, 4625466, 6938199, 7709110, 9250932, 11563665, 13876398, 15418220, 23127330, 27752796, 34690995, 46254660, 69381990, 138763980]

約数ペア:

[(1, 138763980), (2, 69381990), (3, 46254660), (4, 34690995), (5, 27752796), (6, 23127330), (9, 15418220), (10, 13876398), (12, 11563665), (15, 9250932), (18, 7709110), (20, 6938199), (30, 4625466), (36, 3854555), (45, 3083644), (60, 2312733), (90, 1541822), (180, 770911), (223, 622260), (446, 311130), (669, 207420), (892, 155565), (1115, 124452), (1338, 103710), (2007, 69140), (2230, 62226), (2676, 51855), (3345, 41484), (3457, 40140), (4014, 34570), (4460, 31113), (6690, 20742), (6914, 20070), (8028, 17285), (10035, 13828), (10371, 13380)]