1814648720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{3671}}^1$

素因数の和:3888

約数の個数: 80

約数和(自身を含む): 4360220928

約数和(自身を除く): 2545572208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 167, 185, 296, 334, 370, 592, 668, 740, 835, 1336, 1480, 1670, 2672, 2960, 3340, 3671, 6179, 6680, 7342, 12358, 13360, 14684, 18355, 24716, 29368, 30895, 36710, 49432, 58736, 61790, 73420, 98864, 123580, 135827, 146840, 247160, 271654, 293680, 494320, 543308, 613057, 679135, 1086616, 1226114, 1358270, 2173232, 2452228, 2716540, 3065285, 4904456, 5433080, 6130570, 9808912, 10866160, 12261140, 22683109, 24522280, 45366218, 49044560, 90732436, 113415545, 181464872, 226831090, 362929744, 453662180, 907324360, 1814648720]

約数ペア:

[(1, 1814648720), (2, 907324360), (4, 453662180), (5, 362929744), (8, 226831090), (10, 181464872), (16, 113415545), (20, 90732436), (37, 49044560), (40, 45366218), (74, 24522280), (80, 22683109), (148, 12261140), (167, 10866160), (185, 9808912), (296, 6130570), (334, 5433080), (370, 4904456), (592, 3065285), (668, 2716540), (740, 2452228), (835, 2173232), (1336, 1358270), (1480, 1226114), (1670, 1086616), (2672, 679135), (2960, 613057), (3340, 543308), (3671, 494320), (6179, 293680), (6680, 271654), (7342, 247160), (12358, 146840), (13360, 135827), (14684, 123580), (18355, 98864), (24716, 73420), (29368, 61790), (30895, 58736), (36710, 49432)]