131218860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1301}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 376882128

約数和(自身を除く): 245663268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 1301, 1681, 2460, 2602, 3362, 3903, 5043, 5204, 6505, 6724, 7806, 8405, 10086, 13010, 15612, 16810, 19515, 20172, 25215, 26020, 33620, 39030, 50430, 53341, 78060, 100860, 106682, 160023, 213364, 266705, 320046, 533410, 640092, 800115, 1066820, 1600230, 2186981, 3200460, 4373962, 6560943, 8747924, 10934905, 13121886, 21869810, 26243772, 32804715, 43739620, 65609430, 131218860]

約数ペア:

[(1, 131218860), (2, 65609430), (3, 43739620), (4, 32804715), (5, 26243772), (6, 21869810), (10, 13121886), (12, 10934905), (15, 8747924), (20, 6560943), (30, 4373962), (41, 3200460), (60, 2186981), (82, 1600230), (123, 1066820), (164, 800115), (205, 640092), (246, 533410), (410, 320046), (492, 266705), (615, 213364), (820, 160023), (1230, 106682), (1301, 100860), (1681, 78060), (2460, 53341), (2602, 50430), (3362, 39030), (3903, 33620), (5043, 26020), (5204, 25215), (6505, 20172), (6724, 19515), (7806, 16810), (8405, 15612), (10086, 13010)]