20180209720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{601}}^1$

素因数の和:774

約数の個数: 192

約数和(自身を含む): 53330024160

約数和(自身を除く): 33149814440

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 67, 68, 85, 88, 110, 134, 136, 170, 187, 220, 268, 335, 340, 374, 440, 536, 601, 670, 680, 737, 748, 935, 1139, 1202, 1340, 1474, 1496, 1870, 2278, 2404, 2680, 2948, 3005, 3685, 3740, 4489, 4556, 4808, 5695, 5896, 6010, 6611, 7370, 7480, 8978, 9112, 10217, 11390, 12020, 12529, 13222, 14740, 17956, 20434, 22445, 22780, 24040, 25058, 26444, 29480, 33055, 35912, 40267, 40868, 44890, 45560, 49379, 50116, 51085, 52888, 62645, 66110, 76313, 80534, 81736, 89780, 98758, 100232, 102170, 112387, 125290, 132220, 152626, 161068, 179560, 197516, 201335, 204340, 224774, 246895, 250580, 264440, 305252, 322136, 381565, 395032, 402670, 408680, 442937, 449548, 493790, 501160, 561935, 610504, 684539, 763130, 805340, 839443, 885874, 899096, 987580, 1123870, 1369078, 1526260, 1610680, 1678886, 1771748, 1975160, 2214685, 2247740, 2697889, 2738156, 3052520, 3357772, 3422695, 3543496, 4197215, 4429370, 4495480, 5395778, 5476312, 6715544, 6845390, 7529929, 8394430, 8858740, 10791556, 13489445, 13690780, 15059858, 16788860, 17717480, 21583112, 26978890, 27381560, 29676779, 30119716, 33577720, 37649645, 45864113, 53957780, 59353558, 60239432, 75299290, 91728226, 107915560, 118707116, 148383895, 150598580, 183456452, 229320565, 237414232, 296767790, 301197160, 366912904, 458641130, 504505243, 593535580, 917282260, 1009010486, 1187071160, 1834564520, 2018020972, 2522526215, 4036041944, 5045052430, 10090104860, 20180209720]

約数ペア:

[(1, 20180209720), (2, 10090104860), (4, 5045052430), (5, 4036041944), (8, 2522526215), (10, 2018020972), (11, 1834564520), (17, 1187071160), (20, 1009010486), (22, 917282260), (34, 593535580), (40, 504505243), (44, 458641130), (55, 366912904), (67, 301197160), (68, 296767790), (85, 237414232), (88, 229320565), (110, 183456452), (134, 150598580), (136, 148383895), (170, 118707116), (187, 107915560), (220, 91728226), (268, 75299290), (335, 60239432), (340, 59353558), (374, 53957780), (440, 45864113), (536, 37649645), (601, 33577720), (670, 30119716), (680, 29676779), (737, 27381560), (748, 26978890), (935, 21583112), (1139, 17717480), (1202, 16788860), (1340, 15059858), (1474, 13690780), (1496, 13489445), (1870, 10791556), (2278, 8858740), (2404, 8394430), (2680, 7529929), (2948, 6845390), (3005, 6715544), (3685, 5476312), (3740, 5395778), (4489, 4495480), (4556, 4429370), (4808, 4197215), (5695, 3543496), (5896, 3422695), (6010, 3357772), (6611, 3052520), (7370, 2738156), (7480, 2697889), (8978, 2247740), (9112, 2214685), (10217, 1975160), (11390, 1771748), (12020, 1678886), (12529, 1610680), (13222, 1526260), (14740, 1369078), (17956, 1123870), (20434, 987580), (22445, 899096), (22780, 885874), (24040, 839443), (25058, 805340), (26444, 763130), (29480, 684539), (33055, 610504), (35912, 561935), (40267, 501160), (40868, 493790), (44890, 449548), (45560, 442937), (49379, 408680), (50116, 402670), (51085, 395032), (52888, 381565), (62645, 322136), (66110, 305252), (76313, 264440), (80534, 250580), (81736, 246895), (89780, 224774), (98758, 204340), (100232, 201335), (102170, 197516), (112387, 179560), (125290, 161068), (132220, 152626)]