1290879080

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1\times {\mathrm{773}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 2949125760

約数和(自身を除く): 1658246680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 503, 664, 773, 830, 1006, 1546, 1660, 2012, 2515, 3092, 3320, 3865, 4024, 5030, 6184, 7730, 10060, 15460, 20120, 30920, 41749, 64159, 83498, 128318, 166996, 208745, 256636, 320795, 333992, 388819, 417490, 513272, 641590, 777638, 834980, 1283180, 1555276, 1669960, 1944095, 2566360, 3110552, 3888190, 7776380, 15552760, 32271977, 64543954, 129087908, 161359885, 258175816, 322719770, 645439540, 1290879080]

約数ペア:

[(1, 1290879080), (2, 645439540), (4, 322719770), (5, 258175816), (8, 161359885), (10, 129087908), (20, 64543954), (40, 32271977), (83, 15552760), (166, 7776380), (332, 3888190), (415, 3110552), (503, 2566360), (664, 1944095), (773, 1669960), (830, 1555276), (1006, 1283180), (1546, 834980), (1660, 777638), (2012, 641590), (2515, 513272), (3092, 417490), (3320, 388819), (3865, 333992), (4024, 320795), (5030, 256636), (6184, 208745), (7730, 166996), (10060, 128318), (15460, 83498), (20120, 64159), (30920, 41749)]