209880540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1372

約数の個数: 144

約数和(自身を含む): 680359680

約数和(自身を除く): 470479140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 522, 558, 580, 620, 870, 899, 930, 1044, 1116, 1297, 1305, 1395, 1740, 1798, 1860, 2594, 2610, 2697, 2790, 3596, 3891, 4495, 5188, 5220, 5394, 5580, 6485, 7782, 8091, 8990, 10788, 11673, 12970, 13485, 15564, 16182, 17980, 19455, 23346, 25940, 26970, 32364, 37613, 38910, 40207, 40455, 46692, 53940, 58365, 75226, 77820, 80414, 80910, 112839, 116730, 120621, 150452, 160828, 161820, 188065, 201035, 225678, 233460, 241242, 338517, 361863, 376130, 402070, 451356, 482484, 564195, 603105, 677034, 723726, 752260, 804140, 1128390, 1166003, 1206210, 1354068, 1447452, 1692585, 1809315, 2256780, 2332006, 2412420, 3385170, 3498009, 3618630, 4664012, 5830015, 6770340, 6996018, 7237260, 10494027, 11660030, 13992036, 17490045, 20988054, 23320060, 34980090, 41976108, 52470135, 69960180, 104940270, 209880540]

約数ペア:

[(1, 209880540), (2, 104940270), (3, 69960180), (4, 52470135), (5, 41976108), (6, 34980090), (9, 23320060), (10, 20988054), (12, 17490045), (15, 13992036), (18, 11660030), (20, 10494027), (29, 7237260), (30, 6996018), (31, 6770340), (36, 5830015), (45, 4664012), (58, 3618630), (60, 3498009), (62, 3385170), (87, 2412420), (90, 2332006), (93, 2256780), (116, 1809315), (124, 1692585), (145, 1447452), (155, 1354068), (174, 1206210), (180, 1166003), (186, 1128390), (261, 804140), (279, 752260), (290, 723726), (310, 677034), (348, 603105), (372, 564195), (435, 482484), (465, 451356), (522, 402070), (558, 376130), (580, 361863), (620, 338517), (870, 241242), (899, 233460), (930, 225678), (1044, 201035), (1116, 188065), (1297, 161820), (1305, 160828), (1395, 150452), (1740, 120621), (1798, 116730), (1860, 112839), (2594, 80910), (2610, 80414), (2697, 77820), (2790, 75226), (3596, 58365), (3891, 53940), (4495, 46692), (5188, 40455), (5220, 40207), (5394, 38910), (5580, 37613), (6485, 32364), (7782, 26970), (8091, 25940), (8990, 23346), (10788, 19455), (11673, 17980), (12970, 16182), (13485, 15564)]