278195580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1723}}^1$

素因数の和:1777

約数の個数: 192

約数和(自身を含む): 973163520

約数和(自身を除く): 694967940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 90, 92, 108, 115, 117, 130, 135, 138, 156, 180, 195, 207, 230, 234, 260, 270, 276, 299, 345, 351, 390, 414, 460, 468, 540, 585, 598, 621, 690, 702, 780, 828, 897, 1035, 1170, 1196, 1242, 1380, 1404, 1495, 1723, 1755, 1794, 2070, 2340, 2484, 2691, 2990, 3105, 3446, 3510, 3588, 4140, 4485, 5169, 5382, 5980, 6210, 6892, 7020, 8073, 8615, 8970, 10338, 10764, 12420, 13455, 15507, 16146, 17230, 17940, 20676, 22399, 25845, 26910, 31014, 32292, 34460, 39629, 40365, 44798, 46521, 51690, 53820, 62028, 67197, 77535, 79258, 80730, 89596, 93042, 103380, 111995, 118887, 134394, 155070, 158516, 161460, 186084, 198145, 201591, 223990, 232605, 237774, 268788, 310140, 335985, 356661, 396290, 403182, 447980, 465210, 475548, 515177, 594435, 604773, 671970, 713322, 792580, 806364, 930420, 1007955, 1030354, 1069983, 1188870, 1209546, 1343940, 1426644, 1545531, 1783305, 2015910, 2060708, 2139966, 2377740, 2419092, 2575885, 3023865, 3091062, 3566610, 4031820, 4279932, 4636593, 5151770, 5349915, 6047730, 6182124, 7133220, 7727655, 9273186, 10303540, 10699830, 12095460, 13909779, 15455310, 18546372, 21399660, 23182965, 27819558, 30910620, 46365930, 55639116, 69548895, 92731860, 139097790, 278195580]

約数ペア:

[(1, 278195580), (2, 139097790), (3, 92731860), (4, 69548895), (5, 55639116), (6, 46365930), (9, 30910620), (10, 27819558), (12, 23182965), (13, 21399660), (15, 18546372), (18, 15455310), (20, 13909779), (23, 12095460), (26, 10699830), (27, 10303540), (30, 9273186), (36, 7727655), (39, 7133220), (45, 6182124), (46, 6047730), (52, 5349915), (54, 5151770), (60, 4636593), (65, 4279932), (69, 4031820), (78, 3566610), (90, 3091062), (92, 3023865), (108, 2575885), (115, 2419092), (117, 2377740), (130, 2139966), (135, 2060708), (138, 2015910), (156, 1783305), (180, 1545531), (195, 1426644), (207, 1343940), (230, 1209546), (234, 1188870), (260, 1069983), (270, 1030354), (276, 1007955), (299, 930420), (345, 806364), (351, 792580), (390, 713322), (414, 671970), (460, 604773), (468, 594435), (540, 515177), (585, 475548), (598, 465210), (621, 447980), (690, 403182), (702, 396290), (780, 356661), (828, 335985), (897, 310140), (1035, 268788), (1170, 237774), (1196, 232605), (1242, 223990), (1380, 201591), (1404, 198145), (1495, 186084), (1723, 161460), (1755, 158516), (1794, 155070), (2070, 134394), (2340, 118887), (2484, 111995), (2691, 103380), (2990, 93042), (3105, 89596), (3446, 80730), (3510, 79258), (3588, 77535), (4140, 67197), (4485, 62028), (5169, 53820), (5382, 51690), (5980, 46521), (6210, 44798), (6892, 40365), (7020, 39629), (8073, 34460), (8615, 32292), (8970, 31014), (10338, 26910), (10764, 25845), (12420, 22399), (13455, 20676), (15507, 17940), (16146, 17230)]