61821240

素因数分解:

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

素因数の和:1773

約数の個数: 128

約数和(自身を含む): 208535040

約数和(自身を除く): 146713800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1723, 1794, 2392, 2760, 2990, 3446, 3588, 4485, 5169, 5980, 6892, 7176, 8615, 8970, 10338, 11960, 13784, 17230, 17940, 20676, 22399, 25845, 34460, 35880, 39629, 41352, 44798, 51690, 67197, 68920, 79258, 89596, 103380, 111995, 118887, 134394, 158516, 179192, 198145, 206760, 223990, 237774, 268788, 317032, 335985, 396290, 447980, 475548, 515177, 537576, 594435, 671970, 792580, 895960, 951096, 1030354, 1188870, 1343940, 1545531, 1585160, 2060708, 2377740, 2575885, 2687880, 3091062, 4121416, 4755480, 5151770, 6182124, 7727655, 10303540, 12364248, 15455310, 20607080, 30910620, 61821240]

約数ペア:

[(1, 61821240), (2, 30910620), (3, 20607080), (4, 15455310), (5, 12364248), (6, 10303540), (8, 7727655), (10, 6182124), (12, 5151770), (13, 4755480), (15, 4121416), (20, 3091062), (23, 2687880), (24, 2575885), (26, 2377740), (30, 2060708), (39, 1585160), (40, 1545531), (46, 1343940), (52, 1188870), (60, 1030354), (65, 951096), (69, 895960), (78, 792580), (92, 671970), (104, 594435), (115, 537576), (120, 515177), (130, 475548), (138, 447980), (156, 396290), (184, 335985), (195, 317032), (230, 268788), (260, 237774), (276, 223990), (299, 206760), (312, 198145), (345, 179192), (390, 158516), (460, 134394), (520, 118887), (552, 111995), (598, 103380), (690, 89596), (780, 79258), (897, 68920), (920, 67197), (1196, 51690), (1380, 44798), (1495, 41352), (1560, 39629), (1723, 35880), (1794, 34460), (2392, 25845), (2760, 22399), (2990, 20676), (3446, 17940), (3588, 17230), (4485, 13784), (5169, 11960), (5980, 10338), (6892, 8970), (7176, 8615)]