38564820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 135303168

約数和(自身を除く): 96738348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 241, 252, 254, 315, 381, 420, 482, 508, 630, 635, 723, 762, 889, 964, 1143, 1205, 1260, 1270, 1446, 1524, 1687, 1778, 1905, 2169, 2286, 2410, 2540, 2667, 2892, 3374, 3556, 3615, 3810, 4338, 4445, 4572, 4820, 5061, 5334, 5715, 6748, 7230, 7620, 8001, 8435, 8676, 8890, 10122, 10668, 10845, 11430, 13335, 14460, 15183, 16002, 16870, 17780, 20244, 21690, 22860, 25305, 26670, 30366, 30607, 32004, 33740, 40005, 43380, 50610, 53340, 60732, 61214, 75915, 80010, 91821, 101220, 122428, 151830, 153035, 160020, 183642, 214249, 275463, 303660, 306070, 367284, 428498, 459105, 550926, 612140, 642747, 856996, 918210, 1071245, 1101852, 1285494, 1377315, 1836420, 1928241, 2142490, 2570988, 2754630, 3213735, 3856482, 4284980, 5509260, 6427470, 7712964, 9641205, 12854940, 19282410, 38564820]

約数ペア:

[(1, 38564820), (2, 19282410), (3, 12854940), (4, 9641205), (5, 7712964), (6, 6427470), (7, 5509260), (9, 4284980), (10, 3856482), (12, 3213735), (14, 2754630), (15, 2570988), (18, 2142490), (20, 1928241), (21, 1836420), (28, 1377315), (30, 1285494), (35, 1101852), (36, 1071245), (42, 918210), (45, 856996), (60, 642747), (63, 612140), (70, 550926), (84, 459105), (90, 428498), (105, 367284), (126, 306070), (127, 303660), (140, 275463), (180, 214249), (210, 183642), (241, 160020), (252, 153035), (254, 151830), (315, 122428), (381, 101220), (420, 91821), (482, 80010), (508, 75915), (630, 61214), (635, 60732), (723, 53340), (762, 50610), (889, 43380), (964, 40005), (1143, 33740), (1205, 32004), (1260, 30607), (1270, 30366), (1446, 26670), (1524, 25305), (1687, 22860), (1778, 21690), (1905, 20244), (2169, 17780), (2286, 16870), (2410, 16002), (2540, 15183), (2667, 14460), (2892, 13335), (3374, 11430), (3556, 10845), (3615, 10668), (3810, 10122), (4338, 8890), (4445, 8676), (4572, 8435), (4820, 8001), (5061, 7620), (5334, 7230), (5715, 6748)]