181406820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61703}}^1$

素因数の和:61729

約数の個数: 72

約数和(自身を含む): 590877504

約数和(自身を除く): 409470684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 61703, 123406, 185109, 246812, 308515, 370218, 431921, 617030, 740436, 863842, 925545, 1234060, 1295763, 1727684, 1851090, 2159605, 2591526, 3023447, 3702180, 4319210, 5183052, 6046894, 6478815, 8638420, 9070341, 12093788, 12957630, 15117235, 18140682, 25915260, 30234470, 36281364, 45351705, 60468940, 90703410, 181406820]

約数ペア:

[(1, 181406820), (2, 90703410), (3, 60468940), (4, 45351705), (5, 36281364), (6, 30234470), (7, 25915260), (10, 18140682), (12, 15117235), (14, 12957630), (15, 12093788), (20, 9070341), (21, 8638420), (28, 6478815), (30, 6046894), (35, 5183052), (42, 4319210), (49, 3702180), (60, 3023447), (70, 2591526), (84, 2159605), (98, 1851090), (105, 1727684), (140, 1295763), (147, 1234060), (196, 925545), (210, 863842), (245, 740436), (294, 617030), (420, 431921), (490, 370218), (588, 308515), (735, 246812), (980, 185109), (1470, 123406), (2940, 61703)]