1221805080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:631

約数の個数: 256

約数和(自身を含む): 4300646400

約数和(自身を除く): 3078841320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 101, 108, 115, 120, 135, 138, 180, 184, 202, 207, 216, 230, 270, 276, 303, 345, 360, 404, 414, 460, 487, 505, 540, 552, 606, 621, 690, 808, 828, 909, 920, 974, 1010, 1035, 1080, 1212, 1242, 1380, 1461, 1515, 1656, 1818, 1948, 2020, 2070, 2323, 2424, 2435, 2484, 2727, 2760, 2922, 3030, 3105, 3636, 3896, 4040, 4140, 4383, 4545, 4646, 4870, 4968, 5454, 5844, 6060, 6210, 6969, 7272, 7305, 8280, 8766, 9090, 9292, 9740, 10908, 11201, 11615, 11688, 12120, 12420, 13149, 13635, 13938, 14610, 17532, 18180, 18584, 19480, 20907, 21816, 21915, 22402, 23230, 24840, 26298, 27270, 27876, 29220, 33603, 34845, 35064, 36360, 41814, 43830, 44804, 46460, 49187, 52596, 54540, 55752, 56005, 58440, 62721, 65745, 67206, 69690, 83628, 87660, 89608, 92920, 98374, 100809, 104535, 105192, 109080, 112010, 125442, 131490, 134412, 139380, 147561, 167256, 168015, 175320, 196748, 201618, 209070, 224020, 245935, 250884, 262980, 268824, 278760, 295122, 302427, 313605, 336030, 393496, 403236, 418140, 442683, 448040, 491870, 501768, 504045, 525960, 590244, 604854, 627210, 672060, 737805, 806472, 836280, 885366, 983740, 1008090, 1131301, 1180488, 1209708, 1254420, 1328049, 1344120, 1475610, 1512135, 1770732, 1967480, 2016180, 2213415, 2262602, 2419416, 2508840, 2656098, 2951220, 3024270, 3393903, 3541464, 4032360, 4426830, 4525204, 5312196, 5656505, 5902440, 6048540, 6640245, 6787806, 8853660, 9050408, 10181709, 10624392, 11313010, 12097080, 13280490, 13575612, 16969515, 17707320, 20363418, 22626020, 26560980, 27151224, 30545127, 33939030, 40726836, 45252040, 50908545, 53121960, 61090254, 67878060, 81453672, 101817090, 122180508, 135756120, 152725635, 203634180, 244361016, 305451270, 407268360, 610902540, 1221805080]

約数ペア:

[(1, 1221805080), (2, 610902540), (3, 407268360), (4, 305451270), (5, 244361016), (6, 203634180), (8, 152725635), (9, 135756120), (10, 122180508), (12, 101817090), (15, 81453672), (18, 67878060), (20, 61090254), (23, 53121960), (24, 50908545), (27, 45252040), (30, 40726836), (36, 33939030), (40, 30545127), (45, 27151224), (46, 26560980), (54, 22626020), (60, 20363418), (69, 17707320), (72, 16969515), (90, 13575612), (92, 13280490), (101, 12097080), (108, 11313010), (115, 10624392), (120, 10181709), (135, 9050408), (138, 8853660), (180, 6787806), (184, 6640245), (202, 6048540), (207, 5902440), (216, 5656505), (230, 5312196), (270, 4525204), (276, 4426830), (303, 4032360), (345, 3541464), (360, 3393903), (404, 3024270), (414, 2951220), (460, 2656098), (487, 2508840), (505, 2419416), (540, 2262602), (552, 2213415), (606, 2016180), (621, 1967480), (690, 1770732), (808, 1512135), (828, 1475610), (909, 1344120), (920, 1328049), (974, 1254420), (1010, 1209708), (1035, 1180488), (1080, 1131301), (1212, 1008090), (1242, 983740), (1380, 885366), (1461, 836280), (1515, 806472), (1656, 737805), (1818, 672060), (1948, 627210), (2020, 604854), (2070, 590244), (2323, 525960), (2424, 504045), (2435, 501768), (2484, 491870), (2727, 448040), (2760, 442683), (2922, 418140), (3030, 403236), (3105, 393496), (3636, 336030), (3896, 313605), (4040, 302427), (4140, 295122), (4383, 278760), (4545, 268824), (4646, 262980), (4870, 250884), (4968, 245935), (5454, 224020), (5844, 209070), (6060, 201618), (6210, 196748), (6969, 175320), (7272, 168015), (7305, 167256), (8280, 147561), (8766, 139380), (9090, 134412), (9292, 131490), (9740, 125442), (10908, 112010), (11201, 109080), (11615, 105192), (11688, 104535), (12120, 100809), (12420, 98374), (13149, 92920), (13635, 89608), (13938, 87660), (14610, 83628), (17532, 69690), (18180, 67206), (18584, 65745), (19480, 62721), (20907, 58440), (21816, 56005), (21915, 55752), (22402, 54540), (23230, 52596), (24840, 49187), (26298, 46460), (27270, 44804), (27876, 43830), (29220, 41814), (33603, 36360), (34845, 35064)]