618791580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28411}}^1$

素因数の和:28448

約数の個数: 108

約数和(自身を含む): 2063222616

約数和(自身を除く): 1444431036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 21780, 28411, 56822, 85233, 113644, 142055, 170466, 255699, 284110, 312521, 340932, 426165, 511398, 568220, 625042, 852330, 937563, 1022796, 1250084, 1278495, 1562605, 1704660, 1875126, 2556990, 2812689, 3125210, 3437731, 3750252, 4687815, 5113980, 5625378, 6250420, 6875462, 9375630, 10313193, 11250756, 13750924, 14063445, 17188655, 18751260, 20626386, 28126890, 30939579, 34377310, 41252772, 51565965, 56253780, 61879158, 68754620, 103131930, 123758316, 154697895, 206263860, 309395790, 618791580]

約数ペア:

[(1, 618791580), (2, 309395790), (3, 206263860), (4, 154697895), (5, 123758316), (6, 103131930), (9, 68754620), (10, 61879158), (11, 56253780), (12, 51565965), (15, 41252772), (18, 34377310), (20, 30939579), (22, 28126890), (30, 20626386), (33, 18751260), (36, 17188655), (44, 14063445), (45, 13750924), (55, 11250756), (60, 10313193), (66, 9375630), (90, 6875462), (99, 6250420), (110, 5625378), (121, 5113980), (132, 4687815), (165, 3750252), (180, 3437731), (198, 3125210), (220, 2812689), (242, 2556990), (330, 1875126), (363, 1704660), (396, 1562605), (484, 1278495), (495, 1250084), (605, 1022796), (660, 937563), (726, 852330), (990, 625042), (1089, 568220), (1210, 511398), (1452, 426165), (1815, 340932), (1980, 312521), (2178, 284110), (2420, 255699), (3630, 170466), (4356, 142055), (5445, 113644), (7260, 85233), (10890, 56822), (21780, 28411)]