207412020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13883}}^1$

素因数の和:13981

約数の個数: 72

約数和(自身を含む): 636775776

約数和(自身を除く): 429363756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 13883, 14940, 27766, 41649, 55532, 69415, 83298, 124947, 138830, 166596, 208245, 249894, 277660, 416490, 499788, 624735, 832980, 1152289, 1249470, 2304578, 2498940, 3456867, 4609156, 5761445, 6913734, 10370601, 11522890, 13827468, 17284335, 20741202, 23045780, 34568670, 41482404, 51853005, 69137340, 103706010, 207412020]

約数ペア:

[(1, 207412020), (2, 103706010), (3, 69137340), (4, 51853005), (5, 41482404), (6, 34568670), (9, 23045780), (10, 20741202), (12, 17284335), (15, 13827468), (18, 11522890), (20, 10370601), (30, 6913734), (36, 5761445), (45, 4609156), (60, 3456867), (83, 2498940), (90, 2304578), (166, 1249470), (180, 1152289), (249, 832980), (332, 624735), (415, 499788), (498, 416490), (747, 277660), (830, 249894), (996, 208245), (1245, 166596), (1494, 138830), (1660, 124947), (2490, 83298), (2988, 69415), (3735, 55532), (4980, 41649), (7470, 27766), (13883, 14940)]