12728040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 42336000

約数和(自身を除く): 29607960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 199, 205, 246, 260, 312, 328, 390, 398, 410, 492, 520, 533, 597, 615, 780, 796, 820, 984, 995, 1066, 1194, 1230, 1560, 1592, 1599, 1640, 1990, 2132, 2388, 2460, 2587, 2665, 2985, 3198, 3980, 4264, 4776, 4920, 5174, 5330, 5970, 6396, 7761, 7960, 7995, 8159, 10348, 10660, 11940, 12792, 12935, 15522, 15990, 16318, 20696, 21320, 23880, 24477, 25870, 31044, 31980, 32636, 38805, 40795, 48954, 51740, 62088, 63960, 65272, 77610, 81590, 97908, 103480, 106067, 122385, 155220, 163180, 195816, 212134, 244770, 310440, 318201, 326360, 424268, 489540, 530335, 636402, 848536, 979080, 1060670, 1272804, 1591005, 2121340, 2545608, 3182010, 4242680, 6364020, 12728040]

約数ペア:

[(1, 12728040), (2, 6364020), (3, 4242680), (4, 3182010), (5, 2545608), (6, 2121340), (8, 1591005), (10, 1272804), (12, 1060670), (13, 979080), (15, 848536), (20, 636402), (24, 530335), (26, 489540), (30, 424268), (39, 326360), (40, 318201), (41, 310440), (52, 244770), (60, 212134), (65, 195816), (78, 163180), (82, 155220), (104, 122385), (120, 106067), (123, 103480), (130, 97908), (156, 81590), (164, 77610), (195, 65272), (199, 63960), (205, 62088), (246, 51740), (260, 48954), (312, 40795), (328, 38805), (390, 32636), (398, 31980), (410, 31044), (492, 25870), (520, 24477), (533, 23880), (597, 21320), (615, 20696), (780, 16318), (796, 15990), (820, 15522), (984, 12935), (995, 12792), (1066, 11940), (1194, 10660), (1230, 10348), (1560, 8159), (1592, 7995), (1599, 7960), (1640, 7761), (1990, 6396), (2132, 5970), (2388, 5330), (2460, 5174), (2587, 4920), (2665, 4776), (2985, 4264), (3198, 3980)]