178984680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5197}}^1$

素因数の和:5259

約数の個数: 128

約数和(自身を含む): 628750080

約数和(自身を除く): 449765400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 4305, 4920, 5197, 5740, 6888, 8610, 10394, 11480, 15591, 17220, 20788, 25985, 31182, 34440, 36379, 41576, 51970, 62364, 72758, 77955, 103940, 109137, 124728, 145516, 155910, 181895, 207880, 213077, 218274, 291032, 311820, 363790, 426154, 436548, 545685, 623640, 639231, 727580, 852308, 873096, 1065385, 1091370, 1278462, 1455160, 1491539, 1704616, 2130770, 2182740, 2556924, 2983078, 3196155, 4261540, 4365480, 4474617, 5113848, 5966156, 6392310, 7457695, 8523080, 8949234, 11932312, 12784620, 14915390, 17898468, 22373085, 25569240, 29830780, 35796936, 44746170, 59661560, 89492340, 178984680]

約数ペア:

[(1, 178984680), (2, 89492340), (3, 59661560), (4, 44746170), (5, 35796936), (6, 29830780), (7, 25569240), (8, 22373085), (10, 17898468), (12, 14915390), (14, 12784620), (15, 11932312), (20, 8949234), (21, 8523080), (24, 7457695), (28, 6392310), (30, 5966156), (35, 5113848), (40, 4474617), (41, 4365480), (42, 4261540), (56, 3196155), (60, 2983078), (70, 2556924), (82, 2182740), (84, 2130770), (105, 1704616), (120, 1491539), (123, 1455160), (140, 1278462), (164, 1091370), (168, 1065385), (205, 873096), (210, 852308), (246, 727580), (280, 639231), (287, 623640), (328, 545685), (410, 436548), (420, 426154), (492, 363790), (574, 311820), (615, 291032), (820, 218274), (840, 213077), (861, 207880), (984, 181895), (1148, 155910), (1230, 145516), (1435, 124728), (1640, 109137), (1722, 103940), (2296, 77955), (2460, 72758), (2870, 62364), (3444, 51970), (4305, 41576), (4920, 36379), (5197, 34440), (5740, 31182), (6888, 25985), (8610, 20788), (10394, 17220), (11480, 15591)]