15704808080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{12511}}^1$

素因数の和:12625

約数の個数: 160

約数和(自身を含む): 42225297408

約数和(自身を除く): 26520489328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 71, 80, 85, 104, 130, 136, 142, 170, 208, 221, 260, 272, 284, 340, 355, 442, 520, 568, 680, 710, 884, 923, 1040, 1105, 1136, 1207, 1360, 1420, 1768, 1846, 2210, 2414, 2840, 3536, 3692, 4420, 4615, 4828, 5680, 6035, 7384, 8840, 9230, 9656, 12070, 12511, 14768, 15691, 17680, 18460, 19312, 24140, 25022, 31382, 36920, 48280, 50044, 62555, 62764, 73840, 78455, 96560, 100088, 125110, 125528, 156910, 162643, 200176, 212687, 250220, 251056, 313820, 325286, 425374, 500440, 627640, 650572, 813215, 850748, 888281, 1000880, 1063435, 1255280, 1301144, 1626430, 1701496, 1776562, 2126870, 2602288, 2764931, 3252860, 3402992, 3553124, 4253740, 4441405, 5529862, 6505720, 7106248, 8507480, 8882810, 11059724, 11547653, 13011440, 13824655, 14212496, 15100777, 17014960, 17765620, 22119448, 23095306, 27649310, 30201554, 35531240, 44238896, 46190612, 55298620, 57738265, 60403108, 71062480, 75503885, 92381224, 110597240, 115476530, 120806216, 151007770, 184762448, 196310101, 221194480, 230953060, 241612432, 302015540, 392620202, 461906120, 604031080, 785240404, 923812240, 981550505, 1208062160, 1570480808, 1963101010, 3140961616, 3926202020, 7852404040, 15704808080]

約数ペア:

[(1, 15704808080), (2, 7852404040), (4, 3926202020), (5, 3140961616), (8, 1963101010), (10, 1570480808), (13, 1208062160), (16, 981550505), (17, 923812240), (20, 785240404), (26, 604031080), (34, 461906120), (40, 392620202), (52, 302015540), (65, 241612432), (68, 230953060), (71, 221194480), (80, 196310101), (85, 184762448), (104, 151007770), (130, 120806216), (136, 115476530), (142, 110597240), (170, 92381224), (208, 75503885), (221, 71062480), (260, 60403108), (272, 57738265), (284, 55298620), (340, 46190612), (355, 44238896), (442, 35531240), (520, 30201554), (568, 27649310), (680, 23095306), (710, 22119448), (884, 17765620), (923, 17014960), (1040, 15100777), (1105, 14212496), (1136, 13824655), (1207, 13011440), (1360, 11547653), (1420, 11059724), (1768, 8882810), (1846, 8507480), (2210, 7106248), (2414, 6505720), (2840, 5529862), (3536, 4441405), (3692, 4253740), (4420, 3553124), (4615, 3402992), (4828, 3252860), (5680, 2764931), (6035, 2602288), (7384, 2126870), (8840, 1776562), (9230, 1701496), (9656, 1626430), (12070, 1301144), (12511, 1255280), (14768, 1063435), (15691, 1000880), (17680, 888281), (18460, 850748), (19312, 813215), (24140, 650572), (25022, 627640), (31382, 500440), (36920, 425374), (48280, 325286), (50044, 313820), (62555, 251056), (62764, 250220), (73840, 212687), (78455, 200176), (96560, 162643), (100088, 156910), (125110, 125528)]