161820180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 547392384

約数和(自身を除く): 385572204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 43, 45, 46, 54, 60, 69, 81, 86, 90, 92, 101, 108, 115, 129, 135, 138, 162, 172, 180, 202, 207, 215, 230, 258, 270, 276, 303, 324, 345, 387, 404, 405, 414, 430, 460, 505, 516, 540, 606, 621, 645, 690, 774, 810, 828, 860, 909, 989, 1010, 1035, 1161, 1212, 1242, 1290, 1380, 1515, 1548, 1620, 1818, 1863, 1935, 1978, 2020, 2070, 2322, 2323, 2484, 2580, 2727, 2967, 3030, 3105, 3483, 3636, 3726, 3870, 3956, 4140, 4343, 4545, 4644, 4646, 4945, 5454, 5805, 5934, 6060, 6210, 6966, 6969, 7452, 7740, 8181, 8686, 8901, 9090, 9292, 9315, 9890, 10908, 11610, 11615, 11868, 12420, 13029, 13635, 13932, 13938, 14835, 16362, 17372, 17415, 17802, 18180, 18630, 19780, 20907, 21715, 23220, 23230, 26058, 26703, 27270, 27876, 29670, 32724, 34830, 34845, 35604, 37260, 39087, 40905, 41814, 43430, 44505, 46460, 52116, 53406, 54540, 59340, 62721, 65145, 69660, 69690, 78174, 80109, 81810, 83628, 86860, 89010, 99889, 104535, 106812, 117261, 125442, 130290, 133515, 139380, 156348, 160218, 163620, 178020, 188163, 195435, 199778, 209070, 234522, 250884, 260580, 267030, 299667, 313605, 320436, 351783, 376326, 390870, 399556, 400545, 418140, 469044, 499445, 534060, 586305, 599334, 627210, 703566, 752652, 781740, 801090, 899001, 940815, 998890, 1172610, 1198668, 1254420, 1407132, 1498335, 1602180, 1758915, 1798002, 1881630, 1997780, 2345220, 2697003, 2996670, 3517830, 3596004, 3763260, 4495005, 5394006, 5993340, 7035660, 8091009, 8990010, 10788012, 13485015, 16182018, 17980020, 26970030, 32364036, 40455045, 53940060, 80910090, 161820180]

約数ペア:

[(1, 161820180), (2, 80910090), (3, 53940060), (4, 40455045), (5, 32364036), (6, 26970030), (9, 17980020), (10, 16182018), (12, 13485015), (15, 10788012), (18, 8990010), (20, 8091009), (23, 7035660), (27, 5993340), (30, 5394006), (36, 4495005), (43, 3763260), (45, 3596004), (46, 3517830), (54, 2996670), (60, 2697003), (69, 2345220), (81, 1997780), (86, 1881630), (90, 1798002), (92, 1758915), (101, 1602180), (108, 1498335), (115, 1407132), (129, 1254420), (135, 1198668), (138, 1172610), (162, 998890), (172, 940815), (180, 899001), (202, 801090), (207, 781740), (215, 752652), (230, 703566), (258, 627210), (270, 599334), (276, 586305), (303, 534060), (324, 499445), (345, 469044), (387, 418140), (404, 400545), (405, 399556), (414, 390870), (430, 376326), (460, 351783), (505, 320436), (516, 313605), (540, 299667), (606, 267030), (621, 260580), (645, 250884), (690, 234522), (774, 209070), (810, 199778), (828, 195435), (860, 188163), (909, 178020), (989, 163620), (1010, 160218), (1035, 156348), (1161, 139380), (1212, 133515), (1242, 130290), (1290, 125442), (1380, 117261), (1515, 106812), (1548, 104535), (1620, 99889), (1818, 89010), (1863, 86860), (1935, 83628), (1978, 81810), (2020, 80109), (2070, 78174), (2322, 69690), (2323, 69660), (2484, 65145), (2580, 62721), (2727, 59340), (2967, 54540), (3030, 53406), (3105, 52116), (3483, 46460), (3636, 44505), (3726, 43430), (3870, 41814), (3956, 40905), (4140, 39087), (4343, 37260), (4545, 35604), (4644, 34845), (4646, 34830), (4945, 32724), (5454, 29670), (5805, 27876), (5934, 27270), (6060, 26703), (6210, 26058), (6966, 23230), (6969, 23220), (7452, 21715), (7740, 20907), (8181, 19780), (8686, 18630), (8901, 18180), (9090, 17802), (9292, 17415), (9315, 17372), (9890, 16362), (10908, 14835), (11610, 13938), (11615, 13932), (11868, 13635), (12420, 13029)]