620880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 2083200

約数和(自身を除く): 1462320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 199, 208, 240, 260, 312, 390, 398, 520, 597, 624, 780, 796, 995, 1040, 1194, 1560, 1592, 1990, 2388, 2587, 2985, 3120, 3184, 3980, 4776, 5174, 5970, 7761, 7960, 9552, 10348, 11940, 12935, 15522, 15920, 20696, 23880, 25870, 31044, 38805, 41392, 47760, 51740, 62088, 77610, 103480, 124176, 155220, 206960, 310440, 620880]

約数ペア:

[(1, 620880), (2, 310440), (3, 206960), (4, 155220), (5, 124176), (6, 103480), (8, 77610), (10, 62088), (12, 51740), (13, 47760), (15, 41392), (16, 38805), (20, 31044), (24, 25870), (26, 23880), (30, 20696), (39, 15920), (40, 15522), (48, 12935), (52, 11940), (60, 10348), (65, 9552), (78, 7960), (80, 7761), (104, 5970), (120, 5174), (130, 4776), (156, 3980), (195, 3184), (199, 3120), (208, 2985), (240, 2587), (260, 2388), (312, 1990), (390, 1592), (398, 1560), (520, 1194), (597, 1040), (624, 995), (780, 796)]