1245175920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28351}}^1$

素因数の和:28431

約数の個数: 120

約数和(自身を含む): 4250418432

約数和(自身を除く): 3005242512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 28351, 43920, 56702, 85053, 113404, 141755, 170106, 226808, 255159, 283510, 340212, 425265, 453616, 510318, 567020, 680424, 850530, 1020636, 1134040, 1275795, 1360848, 1701060, 1729411, 2041272, 2268080, 2551590, 3402120, 3458822, 4082544, 5103180, 5188233, 6804240, 6917644, 8647055, 10206360, 10376466, 13835288, 15564699, 17294110, 20412720, 20752932, 25941165, 27670576, 31129398, 34588220, 41505864, 51882330, 62258796, 69176440, 77823495, 83011728, 103764660, 124517592, 138352880, 155646990, 207529320, 249035184, 311293980, 415058640, 622587960, 1245175920]

約数ペア:

[(1, 1245175920), (2, 622587960), (3, 415058640), (4, 311293980), (5, 249035184), (6, 207529320), (8, 155646990), (9, 138352880), (10, 124517592), (12, 103764660), (15, 83011728), (16, 77823495), (18, 69176440), (20, 62258796), (24, 51882330), (30, 41505864), (36, 34588220), (40, 31129398), (45, 27670576), (48, 25941165), (60, 20752932), (61, 20412720), (72, 17294110), (80, 15564699), (90, 13835288), (120, 10376466), (122, 10206360), (144, 8647055), (180, 6917644), (183, 6804240), (240, 5188233), (244, 5103180), (305, 4082544), (360, 3458822), (366, 3402120), (488, 2551590), (549, 2268080), (610, 2041272), (720, 1729411), (732, 1701060), (915, 1360848), (976, 1275795), (1098, 1134040), (1220, 1020636), (1464, 850530), (1830, 680424), (2196, 567020), (2440, 510318), (2745, 453616), (2928, 425265), (3660, 340212), (4392, 283510), (4880, 255159), (5490, 226808), (7320, 170106), (8784, 141755), (10980, 113404), (14640, 85053), (21960, 56702), (28351, 43920)]