64555380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 144584460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 243, 270, 324, 333, 359, 370, 405, 444, 486, 540, 555, 666, 718, 740, 810, 972, 999, 1077, 1110, 1215, 1332, 1436, 1620, 1665, 1795, 1998, 2154, 2220, 2430, 2997, 3231, 3330, 3590, 3996, 4308, 4860, 4995, 5385, 5994, 6462, 6660, 7180, 8991, 9693, 9990, 10770, 11988, 12924, 13283, 14985, 16155, 17982, 19386, 19980, 21540, 26566, 29079, 29970, 32310, 35964, 38772, 39849, 44955, 48465, 53132, 58158, 59940, 64620, 66415, 79698, 87237, 89910, 96930, 116316, 119547, 132830, 145395, 159396, 174474, 179820, 193860, 199245, 239094, 265660, 290790, 348948, 358641, 398490, 436185, 478188, 581580, 597735, 717282, 796980, 872370, 1075923, 1195470, 1434564, 1744740, 1793205, 2151846, 2390940, 3227769, 3586410, 4303692, 5379615, 6455538, 7172820, 10759230, 12911076, 16138845, 21518460, 32277690, 64555380]

約数ペア:

[(1, 64555380), (2, 32277690), (3, 21518460), (4, 16138845), (5, 12911076), (6, 10759230), (9, 7172820), (10, 6455538), (12, 5379615), (15, 4303692), (18, 3586410), (20, 3227769), (27, 2390940), (30, 2151846), (36, 1793205), (37, 1744740), (45, 1434564), (54, 1195470), (60, 1075923), (74, 872370), (81, 796980), (90, 717282), (108, 597735), (111, 581580), (135, 478188), (148, 436185), (162, 398490), (180, 358641), (185, 348948), (222, 290790), (243, 265660), (270, 239094), (324, 199245), (333, 193860), (359, 179820), (370, 174474), (405, 159396), (444, 145395), (486, 132830), (540, 119547), (555, 116316), (666, 96930), (718, 89910), (740, 87237), (810, 79698), (972, 66415), (999, 64620), (1077, 59940), (1110, 58158), (1215, 53132), (1332, 48465), (1436, 44955), (1620, 39849), (1665, 38772), (1795, 35964), (1998, 32310), (2154, 29970), (2220, 29079), (2430, 26566), (2997, 21540), (3231, 19980), (3330, 19386), (3590, 17982), (3996, 16155), (4308, 14985), (4860, 13283), (4995, 12924), (5385, 11988), (5994, 10770), (6462, 9990), (6660, 9693), (7180, 8991)]