266854980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:818

約数の個数: 144

約数和(自身を含む): 876778560

約数和(自身を除く): 609923580

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, 139, 140, 147, 196, 210, 245, 278, 294, 417, 420, 490, 556, 588, 653, 695, 735, 834, 973, 980, 1306, 1390, 1470, 1668, 1946, 1959, 2085, 2612, 2780, 2919, 2940, 3265, 3892, 3918, 4170, 4571, 4865, 5838, 6530, 6811, 7836, 8340, 9142, 9730, 9795, 11676, 13060, 13622, 13713, 14595, 18284, 19460, 19590, 20433, 22855, 27244, 27426, 29190, 31997, 34055, 39180, 40866, 45710, 54852, 58380, 63994, 68110, 68565, 81732, 90767, 91420, 95991, 102165, 127988, 136220, 137130, 159985, 181534, 191982, 204330, 272301, 274260, 319970, 363068, 383964, 408660, 453835, 479955, 544602, 635369, 639940, 907670, 959910, 1089204, 1270738, 1361505, 1815340, 1906107, 1919820, 2541476, 2723010, 3176845, 3812214, 4447583, 5446020, 6353690, 7624428, 8895166, 9530535, 12707380, 13342749, 17790332, 19061070, 22237915, 26685498, 38122140, 44475830, 53370996, 66713745, 88951660, 133427490, 266854980]

約数ペア:

[(1, 266854980), (2, 133427490), (3, 88951660), (4, 66713745), (5, 53370996), (6, 44475830), (7, 38122140), (10, 26685498), (12, 22237915), (14, 19061070), (15, 17790332), (20, 13342749), (21, 12707380), (28, 9530535), (30, 8895166), (35, 7624428), (42, 6353690), (49, 5446020), (60, 4447583), (70, 3812214), (84, 3176845), (98, 2723010), (105, 2541476), (139, 1919820), (140, 1906107), (147, 1815340), (196, 1361505), (210, 1270738), (245, 1089204), (278, 959910), (294, 907670), (417, 639940), (420, 635369), (490, 544602), (556, 479955), (588, 453835), (653, 408660), (695, 383964), (735, 363068), (834, 319970), (973, 274260), (980, 272301), (1306, 204330), (1390, 191982), (1470, 181534), (1668, 159985), (1946, 137130), (1959, 136220), (2085, 127988), (2612, 102165), (2780, 95991), (2919, 91420), (2940, 90767), (3265, 81732), (3892, 68565), (3918, 68110), (4170, 63994), (4571, 58380), (4865, 54852), (5838, 45710), (6530, 40866), (6811, 39180), (7836, 34055), (8340, 31997), (9142, 29190), (9730, 27426), (9795, 27244), (11676, 22855), (13060, 20433), (13622, 19590), (13713, 19460), (14595, 18284)]