2018721480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{1481}}^1$

素因数の和:1839

約数の個数: 128

約数和(自身を含む): 6244318080

約数和(自身を除く): 4225596600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 307, 370, 444, 555, 614, 740, 888, 921, 1110, 1228, 1480, 1481, 1535, 1842, 2220, 2456, 2962, 3070, 3684, 4440, 4443, 4605, 5924, 6140, 7368, 7405, 8886, 9210, 11359, 11848, 12280, 14810, 17772, 18420, 22215, 22718, 29620, 34077, 35544, 36840, 44430, 45436, 54797, 56795, 59240, 68154, 88860, 90872, 109594, 113590, 136308, 164391, 170385, 177720, 219188, 227180, 272616, 273985, 328782, 340770, 438376, 454360, 454667, 547970, 657564, 681540, 821955, 909334, 1095940, 1315128, 1363080, 1364001, 1643910, 1818668, 2191880, 2273335, 2728002, 3287820, 3637336, 4546670, 5456004, 6575640, 6820005, 9093340, 10912008, 13640010, 16822679, 18186680, 27280020, 33645358, 50468037, 54560040, 67290716, 84113395, 100936074, 134581432, 168226790, 201872148, 252340185, 336453580, 403744296, 504680370, 672907160, 1009360740, 2018721480]

約数ペア:

[(1, 2018721480), (2, 1009360740), (3, 672907160), (4, 504680370), (5, 403744296), (6, 336453580), (8, 252340185), (10, 201872148), (12, 168226790), (15, 134581432), (20, 100936074), (24, 84113395), (30, 67290716), (37, 54560040), (40, 50468037), (60, 33645358), (74, 27280020), (111, 18186680), (120, 16822679), (148, 13640010), (185, 10912008), (222, 9093340), (296, 6820005), (307, 6575640), (370, 5456004), (444, 4546670), (555, 3637336), (614, 3287820), (740, 2728002), (888, 2273335), (921, 2191880), (1110, 1818668), (1228, 1643910), (1480, 1364001), (1481, 1363080), (1535, 1315128), (1842, 1095940), (2220, 909334), (2456, 821955), (2962, 681540), (3070, 657564), (3684, 547970), (4440, 454667), (4443, 454360), (4605, 438376), (5924, 340770), (6140, 328782), (7368, 273985), (7405, 272616), (8886, 227180), (9210, 219188), (11359, 177720), (11848, 170385), (12280, 164391), (14810, 136308), (17772, 113590), (18420, 109594), (22215, 90872), (22718, 88860), (29620, 68154), (34077, 59240), (35544, 56795), (36840, 54797), (44430, 45436)]