287752860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 901817280

約数和(自身を除く): 614064420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 73, 90, 122, 146, 180, 183, 219, 244, 292, 305, 359, 365, 366, 438, 549, 610, 657, 718, 730, 732, 876, 915, 1077, 1095, 1098, 1220, 1314, 1436, 1460, 1795, 1830, 2154, 2190, 2196, 2628, 2745, 3231, 3285, 3590, 3660, 4308, 4380, 4453, 5385, 5490, 6462, 6570, 7180, 8906, 10770, 10980, 12924, 13140, 13359, 16155, 17812, 21540, 21899, 22265, 26207, 26718, 32310, 40077, 43798, 44530, 52414, 53436, 64620, 65697, 66795, 78621, 80154, 87596, 89060, 104828, 109495, 131035, 131394, 133590, 157242, 160308, 197091, 200385, 218990, 235863, 262070, 262788, 267180, 314484, 328485, 393105, 394182, 400770, 437980, 471726, 524140, 656970, 786210, 788364, 801540, 943452, 985455, 1179315, 1313940, 1572420, 1598627, 1970910, 2358630, 3197254, 3941820, 4717260, 4795881, 6394508, 7993135, 9591762, 14387643, 15986270, 19183524, 23979405, 28775286, 31972540, 47958810, 57550572, 71938215, 95917620, 143876430, 287752860]

約数ペア:

[(1, 287752860), (2, 143876430), (3, 95917620), (4, 71938215), (5, 57550572), (6, 47958810), (9, 31972540), (10, 28775286), (12, 23979405), (15, 19183524), (18, 15986270), (20, 14387643), (30, 9591762), (36, 7993135), (45, 6394508), (60, 4795881), (61, 4717260), (73, 3941820), (90, 3197254), (122, 2358630), (146, 1970910), (180, 1598627), (183, 1572420), (219, 1313940), (244, 1179315), (292, 985455), (305, 943452), (359, 801540), (365, 788364), (366, 786210), (438, 656970), (549, 524140), (610, 471726), (657, 437980), (718, 400770), (730, 394182), (732, 393105), (876, 328485), (915, 314484), (1077, 267180), (1095, 262788), (1098, 262070), (1220, 235863), (1314, 218990), (1436, 200385), (1460, 197091), (1795, 160308), (1830, 157242), (2154, 133590), (2190, 131394), (2196, 131035), (2628, 109495), (2745, 104828), (3231, 89060), (3285, 87596), (3590, 80154), (3660, 78621), (4308, 66795), (4380, 65697), (4453, 64620), (5385, 53436), (5490, 52414), (6462, 44530), (6570, 43798), (7180, 40077), (8906, 32310), (10770, 26718), (10980, 26207), (12924, 22265), (13140, 21899), (13359, 21540), (16155, 17812)]