260388180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:750

約数の個数: 144

約数和(自身を含む): 856128000

約数和(自身を除く): 595739820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 223, 234, 260, 390, 446, 468, 499, 585, 669, 780, 892, 998, 1115, 1170, 1338, 1497, 1996, 2007, 2230, 2340, 2495, 2676, 2899, 2994, 3345, 4014, 4460, 4491, 4990, 5798, 5988, 6487, 6690, 7485, 8028, 8697, 8982, 9980, 10035, 11596, 12974, 13380, 14495, 14970, 17394, 17964, 19461, 20070, 22455, 25948, 26091, 28990, 29940, 32435, 34788, 38922, 40140, 43485, 44910, 52182, 57980, 58383, 64870, 77844, 86970, 89820, 97305, 104364, 111277, 116766, 129740, 130455, 173940, 194610, 222554, 233532, 260910, 291915, 333831, 389220, 445108, 521820, 556385, 583830, 667662, 1001493, 1112770, 1167660, 1335324, 1446601, 1669155, 2002986, 2225540, 2893202, 3338310, 4005972, 4339803, 5007465, 5786404, 6676620, 7233005, 8679606, 10014930, 13019409, 14466010, 17359212, 20029860, 21699015, 26038818, 28932020, 43398030, 52077636, 65097045, 86796060, 130194090, 260388180]

約数ペア:

[(1, 260388180), (2, 130194090), (3, 86796060), (4, 65097045), (5, 52077636), (6, 43398030), (9, 28932020), (10, 26038818), (12, 21699015), (13, 20029860), (15, 17359212), (18, 14466010), (20, 13019409), (26, 10014930), (30, 8679606), (36, 7233005), (39, 6676620), (45, 5786404), (52, 5007465), (60, 4339803), (65, 4005972), (78, 3338310), (90, 2893202), (117, 2225540), (130, 2002986), (156, 1669155), (180, 1446601), (195, 1335324), (223, 1167660), (234, 1112770), (260, 1001493), (390, 667662), (446, 583830), (468, 556385), (499, 521820), (585, 445108), (669, 389220), (780, 333831), (892, 291915), (998, 260910), (1115, 233532), (1170, 222554), (1338, 194610), (1497, 173940), (1996, 130455), (2007, 129740), (2230, 116766), (2340, 111277), (2495, 104364), (2676, 97305), (2899, 89820), (2994, 86970), (3345, 77844), (4014, 64870), (4460, 58383), (4491, 57980), (4990, 52182), (5798, 44910), (5988, 43485), (6487, 40140), (6690, 38922), (7485, 34788), (8028, 32435), (8697, 29940), (8982, 28990), (9980, 26091), (10035, 25948), (11596, 22455), (12974, 20070), (13380, 19461), (14495, 17964), (14970, 17394)]