310440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 1008000

約数和(自身を除く): 697560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 199, 260, 312, 390, 398, 520, 597, 780, 796, 995, 1194, 1560, 1592, 1990, 2388, 2587, 2985, 3980, 4776, 5174, 5970, 7761, 7960, 10348, 11940, 12935, 15522, 20696, 23880, 25870, 31044, 38805, 51740, 62088, 77610, 103480, 155220, 310440]

約数ペア:

[(1, 310440), (2, 155220), (3, 103480), (4, 77610), (5, 62088), (6, 51740), (8, 38805), (10, 31044), (12, 25870), (13, 23880), (15, 20696), (20, 15522), (24, 12935), (26, 11940), (30, 10348), (39, 7960), (40, 7761), (52, 5970), (60, 5174), (65, 4776), (78, 3980), (104, 2985), (120, 2587), (130, 2388), (156, 1990), (195, 1592), (199, 1560), (260, 1194), (312, 995), (390, 796), (398, 780), (520, 597)]