20180881008

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:764

約数の個数: 240

約数和(自身を含む): 60585408000

約数和(自身を除く): 40404526992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 89, 114, 144, 152, 171, 178, 179, 228, 267, 304, 342, 356, 358, 456, 463, 534, 537, 684, 712, 716, 801, 912, 926, 1068, 1074, 1368, 1389, 1424, 1432, 1602, 1611, 1691, 1852, 2136, 2148, 2736, 2778, 2864, 3204, 3222, 3382, 3401, 3704, 4167, 4272, 4296, 5073, 5556, 6408, 6444, 6764, 6802, 7408, 8334, 8592, 8797, 10146, 10203, 11112, 12816, 12888, 13528, 13604, 15219, 15931, 16668, 17594, 20292, 20406, 22224, 25776, 26391, 27056, 27208, 30438, 30609, 31862, 33336, 35188, 40584, 40812, 41207, 47793, 52782, 54416, 60876, 61218, 63724, 66672, 70376, 79173, 81168, 81624, 82414, 82877, 95586, 105564, 121752, 122436, 123621, 127448, 140752, 143379, 158346, 163248, 164828, 165754, 191172, 211128, 243504, 244872, 247242, 248631, 254896, 286758, 302689, 316692, 329656, 331508, 370863, 382344, 422256, 489744, 494484, 497262, 573516, 605378, 633384, 659312, 663016, 741726, 745893, 764688, 782933, 908067, 988968, 994524, 1147032, 1210756, 1266768, 1326032, 1483452, 1491786, 1565866, 1574663, 1816134, 1977936, 1989048, 2294064, 2348799, 2421512, 2724201, 2966904, 2983572, 3131732, 3149326, 3632268, 3978096, 4697598, 4723989, 4843024, 5448402, 5933808, 5967144, 6263464, 6298652, 7046397, 7264536, 7376053, 9395196, 9447978, 10896804, 11934288, 12526928, 12597304, 14092794, 14171967, 14529072, 14752106, 18790392, 18895956, 21793608, 22128159, 25194608, 28185588, 28343934, 29504212, 37580784, 37791912, 43587216, 44256318, 56371176, 56687868, 59008424, 66384477, 75583824, 88512636, 112742352, 113375736, 118016848, 132768954, 140145007, 177025272, 226751472, 265537908, 280290014, 354050544, 420435021, 531075816, 560580028, 840870042, 1062151632, 1121160056, 1261305063, 1681740084, 2242320112, 2522610126, 3363480168, 5045220252, 6726960336, 10090440504, 20180881008]

約数ペア:

[(1, 20180881008), (2, 10090440504), (3, 6726960336), (4, 5045220252), (6, 3363480168), (8, 2522610126), (9, 2242320112), (12, 1681740084), (16, 1261305063), (18, 1121160056), (19, 1062151632), (24, 840870042), (36, 560580028), (38, 531075816), (48, 420435021), (57, 354050544), (72, 280290014), (76, 265537908), (89, 226751472), (114, 177025272), (144, 140145007), (152, 132768954), (171, 118016848), (178, 113375736), (179, 112742352), (228, 88512636), (267, 75583824), (304, 66384477), (342, 59008424), (356, 56687868), (358, 56371176), (456, 44256318), (463, 43587216), (534, 37791912), (537, 37580784), (684, 29504212), (712, 28343934), (716, 28185588), (801, 25194608), (912, 22128159), (926, 21793608), (1068, 18895956), (1074, 18790392), (1368, 14752106), (1389, 14529072), (1424, 14171967), (1432, 14092794), (1602, 12597304), (1611, 12526928), (1691, 11934288), (1852, 10896804), (2136, 9447978), (2148, 9395196), (2736, 7376053), (2778, 7264536), (2864, 7046397), (3204, 6298652), (3222, 6263464), (3382, 5967144), (3401, 5933808), (3704, 5448402), (4167, 4843024), (4272, 4723989), (4296, 4697598), (5073, 3978096), (5556, 3632268), (6408, 3149326), (6444, 3131732), (6764, 2983572), (6802, 2966904), (7408, 2724201), (8334, 2421512), (8592, 2348799), (8797, 2294064), (10146, 1989048), (10203, 1977936), (11112, 1816134), (12816, 1574663), (12888, 1565866), (13528, 1491786), (13604, 1483452), (15219, 1326032), (15931, 1266768), (16668, 1210756), (17594, 1147032), (20292, 994524), (20406, 988968), (22224, 908067), (25776, 782933), (26391, 764688), (27056, 745893), (27208, 741726), (30438, 663016), (30609, 659312), (31862, 633384), (33336, 605378), (35188, 573516), (40584, 497262), (40812, 494484), (41207, 489744), (47793, 422256), (52782, 382344), (54416, 370863), (60876, 331508), (61218, 329656), (63724, 316692), (66672, 302689), (70376, 286758), (79173, 254896), (81168, 248631), (81624, 247242), (82414, 244872), (82877, 243504), (95586, 211128), (105564, 191172), (121752, 165754), (122436, 164828), (123621, 163248), (127448, 158346), (140752, 143379)]