4091940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 12579840

約数和(自身を除く): 8487900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 179, 180, 254, 358, 381, 508, 537, 635, 716, 762, 895, 1074, 1143, 1270, 1524, 1611, 1790, 1905, 2148, 2286, 2540, 2685, 3222, 3580, 3810, 4572, 5370, 5715, 6444, 7620, 8055, 10740, 11430, 16110, 22733, 22860, 32220, 45466, 68199, 90932, 113665, 136398, 204597, 227330, 272796, 340995, 409194, 454660, 681990, 818388, 1022985, 1363980, 2045970, 4091940]

約数ペア:

[(1, 4091940), (2, 2045970), (3, 1363980), (4, 1022985), (5, 818388), (6, 681990), (9, 454660), (10, 409194), (12, 340995), (15, 272796), (18, 227330), (20, 204597), (30, 136398), (36, 113665), (45, 90932), (60, 68199), (90, 45466), (127, 32220), (179, 22860), (180, 22733), (254, 16110), (358, 11430), (381, 10740), (508, 8055), (537, 7620), (635, 6444), (716, 5715), (762, 5370), (895, 4572), (1074, 3810), (1143, 3580), (1270, 3222), (1524, 2685), (1611, 2540), (1790, 2286), (1905, 2148)]