181512660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 597772224

約数和(自身を除く): 416259564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 107, 140, 147, 196, 210, 214, 245, 294, 321, 420, 428, 490, 535, 577, 588, 642, 735, 749, 980, 1070, 1154, 1284, 1470, 1498, 1605, 1731, 2140, 2247, 2308, 2885, 2940, 2996, 3210, 3462, 3745, 4039, 4494, 5243, 5770, 6420, 6924, 7490, 8078, 8655, 8988, 10486, 11235, 11540, 12117, 14980, 15729, 16156, 17310, 20195, 20972, 22470, 24234, 26215, 28273, 31458, 34620, 40390, 44940, 48468, 52430, 56546, 60585, 61739, 62916, 78645, 80780, 84819, 104860, 113092, 121170, 123478, 141365, 157290, 169638, 185217, 242340, 246956, 282730, 308695, 314580, 339276, 370434, 424095, 432173, 565460, 617390, 740868, 848190, 864346, 926085, 1234780, 1296519, 1696380, 1728692, 1852170, 2160865, 2593038, 3025211, 3704340, 4321730, 5186076, 6050422, 6482595, 8643460, 9075633, 12100844, 12965190, 15126055, 18151266, 25930380, 30252110, 36302532, 45378165, 60504220, 90756330, 181512660]

約数ペア:

[(1, 181512660), (2, 90756330), (3, 60504220), (4, 45378165), (5, 36302532), (6, 30252110), (7, 25930380), (10, 18151266), (12, 15126055), (14, 12965190), (15, 12100844), (20, 9075633), (21, 8643460), (28, 6482595), (30, 6050422), (35, 5186076), (42, 4321730), (49, 3704340), (60, 3025211), (70, 2593038), (84, 2160865), (98, 1852170), (105, 1728692), (107, 1696380), (140, 1296519), (147, 1234780), (196, 926085), (210, 864346), (214, 848190), (245, 740868), (294, 617390), (321, 565460), (420, 432173), (428, 424095), (490, 370434), (535, 339276), (577, 314580), (588, 308695), (642, 282730), (735, 246956), (749, 242340), (980, 185217), (1070, 169638), (1154, 157290), (1284, 141365), (1470, 123478), (1498, 121170), (1605, 113092), (1731, 104860), (2140, 84819), (2247, 80780), (2308, 78645), (2885, 62916), (2940, 61739), (2996, 60585), (3210, 56546), (3462, 52430), (3745, 48468), (4039, 44940), (4494, 40390), (5243, 34620), (5770, 31458), (6420, 28273), (6924, 26215), (7490, 24234), (8078, 22470), (8655, 20972), (8988, 20195), (10486, 17310), (11235, 16156), (11540, 15729), (12117, 14980)]