218878980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:909

約数の個数: 96

約数和(自身を含む): 631626240

約数和(自身を除く): 412747260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 79, 122, 158, 183, 237, 244, 305, 316, 366, 395, 474, 610, 732, 757, 790, 915, 948, 1185, 1220, 1514, 1580, 1830, 2271, 2370, 3028, 3660, 3785, 4542, 4740, 4819, 7570, 9084, 9638, 11355, 14457, 15140, 19276, 22710, 24095, 28914, 45420, 46177, 48190, 57828, 59803, 72285, 92354, 96380, 119606, 138531, 144570, 179409, 184708, 230885, 239212, 277062, 289140, 299015, 358818, 461770, 554124, 598030, 692655, 717636, 897045, 923540, 1196060, 1385310, 1794090, 2770620, 3588180, 3647983, 7295966, 10943949, 14591932, 18239915, 21887898, 36479830, 43775796, 54719745, 72959660, 109439490, 218878980]

約数ペア:

[(1, 218878980), (2, 109439490), (3, 72959660), (4, 54719745), (5, 43775796), (6, 36479830), (10, 21887898), (12, 18239915), (15, 14591932), (20, 10943949), (30, 7295966), (60, 3647983), (61, 3588180), (79, 2770620), (122, 1794090), (158, 1385310), (183, 1196060), (237, 923540), (244, 897045), (305, 717636), (316, 692655), (366, 598030), (395, 554124), (474, 461770), (610, 358818), (732, 299015), (757, 289140), (790, 277062), (915, 239212), (948, 230885), (1185, 184708), (1220, 179409), (1514, 144570), (1580, 138531), (1830, 119606), (2271, 96380), (2370, 92354), (3028, 72285), (3660, 59803), (3785, 57828), (4542, 48190), (4740, 46177), (4819, 45420), (7570, 28914), (9084, 24095), (9638, 22710), (11355, 19276), (14457, 15140)]