1888894890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12743}}^1$

素因数の和:12826

約数の個数: 96

約数和(自身を含む): 5176918656

約数和(自身を除く): 3288023766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 243, 270, 305, 366, 405, 486, 549, 610, 810, 915, 1098, 1215, 1647, 1830, 2430, 2745, 3294, 4941, 5490, 8235, 9882, 12743, 14823, 16470, 24705, 25486, 29646, 38229, 49410, 63715, 74115, 76458, 114687, 127430, 148230, 191145, 229374, 344061, 382290, 573435, 688122, 777323, 1032183, 1146870, 1554646, 1720305, 2064366, 2331969, 3096549, 3440610, 3886615, 4663938, 5160915, 6193098, 6995907, 7773230, 10321830, 11659845, 13991814, 15482745, 20987721, 23319690, 30965490, 34979535, 41975442, 62963163, 69959070, 104938605, 125926326, 188889489, 209877210, 314815815, 377778978, 629631630, 944447445, 1888894890]

約数ペア:

[(1, 1888894890), (2, 944447445), (3, 629631630), (5, 377778978), (6, 314815815), (9, 209877210), (10, 188889489), (15, 125926326), (18, 104938605), (27, 69959070), (30, 62963163), (45, 41975442), (54, 34979535), (61, 30965490), (81, 23319690), (90, 20987721), (122, 15482745), (135, 13991814), (162, 11659845), (183, 10321830), (243, 7773230), (270, 6995907), (305, 6193098), (366, 5160915), (405, 4663938), (486, 3886615), (549, 3440610), (610, 3096549), (810, 2331969), (915, 2064366), (1098, 1720305), (1215, 1554646), (1647, 1146870), (1830, 1032183), (2430, 777323), (2745, 688122), (3294, 573435), (4941, 382290), (5490, 344061), (8235, 229374), (9882, 191145), (12743, 148230), (14823, 127430), (16470, 114687), (24705, 76458), (25486, 74115), (29646, 63715), (38229, 49410)]