278452440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2422

約数の個数: 192

約数和(自身を含む): 1056706560

約数和(自身を除く): 778254120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 140, 141, 168, 180, 188, 210, 235, 252, 280, 282, 315, 329, 360, 376, 420, 423, 470, 504, 564, 630, 658, 705, 840, 846, 940, 987, 1128, 1260, 1316, 1410, 1645, 1692, 1880, 1974, 2115, 2351, 2520, 2632, 2820, 2961, 3290, 3384, 3948, 4230, 4702, 4935, 5640, 5922, 6580, 7053, 7896, 8460, 9404, 9870, 11755, 11844, 13160, 14106, 14805, 16457, 16920, 18808, 19740, 21159, 23510, 23688, 28212, 29610, 32914, 35265, 39480, 42318, 47020, 49371, 56424, 59220, 65828, 70530, 82285, 84636, 94040, 98742, 105795, 110497, 118440, 131656, 141060, 148113, 164570, 169272, 197484, 211590, 220994, 246855, 282120, 296226, 329140, 331491, 394968, 423180, 441988, 493710, 552485, 592452, 658280, 662982, 740565, 773479, 846360, 883976, 987420, 994473, 1104970, 1184904, 1325964, 1481130, 1546958, 1657455, 1974840, 1988946, 2209940, 2320437, 2651928, 2962260, 3093916, 3314910, 3867395, 3977892, 4419880, 4640874, 4972365, 5924520, 6187832, 6629820, 6961311, 7734790, 7955784, 9281748, 9944730, 11602185, 13259640, 13922622, 15469580, 18563496, 19889460, 23204370, 27845244, 30939160, 34806555, 39778920, 46408740, 55690488, 69613110, 92817480, 139226220, 278452440]

約数ペア:

[(1, 278452440), (2, 139226220), (3, 92817480), (4, 69613110), (5, 55690488), (6, 46408740), (7, 39778920), (8, 34806555), (9, 30939160), (10, 27845244), (12, 23204370), (14, 19889460), (15, 18563496), (18, 15469580), (20, 13922622), (21, 13259640), (24, 11602185), (28, 9944730), (30, 9281748), (35, 7955784), (36, 7734790), (40, 6961311), (42, 6629820), (45, 6187832), (47, 5924520), (56, 4972365), (60, 4640874), (63, 4419880), (70, 3977892), (72, 3867395), (84, 3314910), (90, 3093916), (94, 2962260), (105, 2651928), (120, 2320437), (126, 2209940), (140, 1988946), (141, 1974840), (168, 1657455), (180, 1546958), (188, 1481130), (210, 1325964), (235, 1184904), (252, 1104970), (280, 994473), (282, 987420), (315, 883976), (329, 846360), (360, 773479), (376, 740565), (420, 662982), (423, 658280), (470, 592452), (504, 552485), (564, 493710), (630, 441988), (658, 423180), (705, 394968), (840, 331491), (846, 329140), (940, 296226), (987, 282120), (1128, 246855), (1260, 220994), (1316, 211590), (1410, 197484), (1645, 169272), (1692, 164570), (1880, 148113), (1974, 141060), (2115, 131656), (2351, 118440), (2520, 110497), (2632, 105795), (2820, 98742), (2961, 94040), (3290, 84636), (3384, 82285), (3948, 70530), (4230, 65828), (4702, 59220), (4935, 56424), (5640, 49371), (5922, 47020), (6580, 42318), (7053, 39480), (7896, 35265), (8460, 32914), (9404, 29610), (9870, 28212), (11755, 23688), (11844, 23510), (13160, 21159), (14106, 19740), (14805, 18808), (16457, 16920)]