12862980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 44029440

約数和(自身を除く): 31166460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 239, 260, 276, 299, 345, 390, 414, 460, 468, 478, 585, 598, 690, 717, 780, 828, 897, 956, 1035, 1170, 1195, 1196, 1380, 1434, 1495, 1794, 2070, 2151, 2340, 2390, 2691, 2868, 2990, 3107, 3585, 3588, 4140, 4302, 4485, 4780, 5382, 5497, 5980, 6214, 7170, 8604, 8970, 9321, 10755, 10764, 10994, 12428, 13455, 14340, 15535, 16491, 17940, 18642, 21510, 21988, 26910, 27485, 27963, 31070, 32982, 37284, 43020, 46605, 49473, 53820, 54970, 55926, 62140, 65964, 71461, 82455, 93210, 98946, 109940, 111852, 139815, 142922, 164910, 186420, 197892, 214383, 247365, 279630, 285844, 329820, 357305, 428766, 494730, 559260, 643149, 714610, 857532, 989460, 1071915, 1286298, 1429220, 2143830, 2572596, 3215745, 4287660, 6431490, 12862980]

約数ペア:

[(1, 12862980), (2, 6431490), (3, 4287660), (4, 3215745), (5, 2572596), (6, 2143830), (9, 1429220), (10, 1286298), (12, 1071915), (13, 989460), (15, 857532), (18, 714610), (20, 643149), (23, 559260), (26, 494730), (30, 428766), (36, 357305), (39, 329820), (45, 285844), (46, 279630), (52, 247365), (60, 214383), (65, 197892), (69, 186420), (78, 164910), (90, 142922), (92, 139815), (115, 111852), (117, 109940), (130, 98946), (138, 93210), (156, 82455), (180, 71461), (195, 65964), (207, 62140), (230, 55926), (234, 54970), (239, 53820), (260, 49473), (276, 46605), (299, 43020), (345, 37284), (390, 32982), (414, 31070), (460, 27963), (468, 27485), (478, 26910), (585, 21988), (598, 21510), (690, 18642), (717, 17940), (780, 16491), (828, 15535), (897, 14340), (956, 13455), (1035, 12428), (1170, 10994), (1195, 10764), (1196, 10755), (1380, 9321), (1434, 8970), (1495, 8604), (1794, 7170), (2070, 6214), (2151, 5980), (2340, 5497), (2390, 5382), (2691, 4780), (2868, 4485), (2990, 4302), (3107, 4140), (3585, 3588)]