405905940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 288

約数和(自身を含む): 1471841280

約数和(自身を除く): 1065935340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 31, 33, 34, 36, 44, 45, 51, 55, 60, 62, 66, 68, 85, 90, 93, 99, 102, 110, 124, 132, 153, 155, 165, 170, 180, 186, 187, 198, 204, 220, 255, 279, 306, 310, 330, 340, 341, 372, 374, 389, 396, 465, 495, 510, 527, 558, 561, 612, 620, 660, 682, 748, 765, 778, 930, 935, 990, 1020, 1023, 1054, 1116, 1122, 1167, 1364, 1395, 1530, 1556, 1581, 1683, 1705, 1860, 1870, 1945, 1980, 2046, 2108, 2244, 2334, 2635, 2790, 2805, 3060, 3069, 3162, 3366, 3410, 3501, 3740, 3890, 4092, 4279, 4668, 4743, 5115, 5270, 5580, 5610, 5797, 5835, 6138, 6324, 6613, 6732, 6820, 7002, 7780, 7905, 8415, 8558, 9486, 10230, 10540, 11220, 11594, 11670, 12059, 12276, 12837, 13226, 14004, 15345, 15810, 16830, 17116, 17391, 17505, 18972, 19839, 20460, 21395, 23188, 23340, 23715, 24118, 25674, 26452, 28985, 30690, 31620, 33065, 33660, 34782, 35010, 36177, 38511, 39678, 42790, 47430, 48236, 51348, 52173, 57970, 59517, 60295, 61380, 64185, 66130, 69564, 70020, 72354, 72743, 77022, 79356, 85580, 86955, 94860, 99195, 104346, 108531, 115940, 119034, 120590, 128370, 132260, 132649, 144708, 145486, 154044, 173910, 180885, 192555, 198390, 205003, 208692, 217062, 218229, 238068, 241180, 256740, 260865, 265298, 290972, 297585, 347820, 361770, 363715, 385110, 396780, 397947, 410006, 434124, 436458, 521730, 530596, 542655, 595170, 615009, 654687, 663245, 723540, 727430, 770220, 795894, 820012, 872916, 1025015, 1043460, 1085310, 1091145, 1190340, 1193841, 1230018, 1309374, 1326490, 1454860, 1591788, 1845027, 1989735, 2050030, 2170620, 2182290, 2255033, 2387682, 2460036, 2618748, 2652980, 3075045, 3273435, 3690054, 3979470, 4100060, 4364580, 4510066, 4775364, 5969205, 6150090, 6546870, 6765099, 7380108, 7958940, 9020132, 9225135, 11275165, 11938410, 12300180, 13093740, 13530198, 18450270, 20295297, 22550330, 23876820, 27060396, 33825495, 36900540, 40590594, 45100660, 67650990, 81181188, 101476485, 135301980, 202952970, 405905940]

約数ペア:

[(1, 405905940), (2, 202952970), (3, 135301980), (4, 101476485), (5, 81181188), (6, 67650990), (9, 45100660), (10, 40590594), (11, 36900540), (12, 33825495), (15, 27060396), (17, 23876820), (18, 22550330), (20, 20295297), (22, 18450270), (30, 13530198), (31, 13093740), (33, 12300180), (34, 11938410), (36, 11275165), (44, 9225135), (45, 9020132), (51, 7958940), (55, 7380108), (60, 6765099), (62, 6546870), (66, 6150090), (68, 5969205), (85, 4775364), (90, 4510066), (93, 4364580), (99, 4100060), (102, 3979470), (110, 3690054), (124, 3273435), (132, 3075045), (153, 2652980), (155, 2618748), (165, 2460036), (170, 2387682), (180, 2255033), (186, 2182290), (187, 2170620), (198, 2050030), (204, 1989735), (220, 1845027), (255, 1591788), (279, 1454860), (306, 1326490), (310, 1309374), (330, 1230018), (340, 1193841), (341, 1190340), (372, 1091145), (374, 1085310), (389, 1043460), (396, 1025015), (465, 872916), (495, 820012), (510, 795894), (527, 770220), (558, 727430), (561, 723540), (612, 663245), (620, 654687), (660, 615009), (682, 595170), (748, 542655), (765, 530596), (778, 521730), (930, 436458), (935, 434124), (990, 410006), (1020, 397947), (1023, 396780), (1054, 385110), (1116, 363715), (1122, 361770), (1167, 347820), (1364, 297585), (1395, 290972), (1530, 265298), (1556, 260865), (1581, 256740), (1683, 241180), (1705, 238068), (1860, 218229), (1870, 217062), (1945, 208692), (1980, 205003), (2046, 198390), (2108, 192555), (2244, 180885), (2334, 173910), (2635, 154044), (2790, 145486), (2805, 144708), (3060, 132649), (3069, 132260), (3162, 128370), (3366, 120590), (3410, 119034), (3501, 115940), (3740, 108531), (3890, 104346), (4092, 99195), (4279, 94860), (4668, 86955), (4743, 85580), (5115, 79356), (5270, 77022), (5580, 72743), (5610, 72354), (5797, 70020), (5835, 69564), (6138, 66130), (6324, 64185), (6613, 61380), (6732, 60295), (6820, 59517), (7002, 57970), (7780, 52173), (7905, 51348), (8415, 48236), (8558, 47430), (9486, 42790), (10230, 39678), (10540, 38511), (11220, 36177), (11594, 35010), (11670, 34782), (12059, 33660), (12276, 33065), (12837, 31620), (13226, 30690), (14004, 28985), (15345, 26452), (15810, 25674), (16830, 24118), (17116, 23715), (17391, 23340), (17505, 23188), (18972, 21395), (19839, 20460)]