68368440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 236160000

約数和(自身を除く): 167791560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 280, 398, 409, 420, 597, 796, 818, 840, 995, 1194, 1227, 1393, 1592, 1636, 1990, 2045, 2388, 2454, 2786, 2863, 2985, 3272, 3980, 4090, 4179, 4776, 4908, 5572, 5726, 5970, 6135, 6965, 7960, 8180, 8358, 8589, 9816, 11144, 11452, 11940, 12270, 13930, 14315, 16360, 16716, 17178, 20895, 22904, 23880, 24540, 27860, 28630, 33432, 34356, 41790, 42945, 49080, 55720, 57260, 68712, 81391, 83580, 85890, 114520, 162782, 167160, 171780, 244173, 325564, 343560, 406955, 488346, 569737, 651128, 813910, 976692, 1139474, 1220865, 1627820, 1709211, 1953384, 2278948, 2441730, 2848685, 3255640, 3418422, 4557896, 4883460, 5697370, 6836844, 8546055, 9766920, 11394740, 13673688, 17092110, 22789480, 34184220, 68368440]

約数ペア:

[(1, 68368440), (2, 34184220), (3, 22789480), (4, 17092110), (5, 13673688), (6, 11394740), (7, 9766920), (8, 8546055), (10, 6836844), (12, 5697370), (14, 4883460), (15, 4557896), (20, 3418422), (21, 3255640), (24, 2848685), (28, 2441730), (30, 2278948), (35, 1953384), (40, 1709211), (42, 1627820), (56, 1220865), (60, 1139474), (70, 976692), (84, 813910), (105, 651128), (120, 569737), (140, 488346), (168, 406955), (199, 343560), (210, 325564), (280, 244173), (398, 171780), (409, 167160), (420, 162782), (597, 114520), (796, 85890), (818, 83580), (840, 81391), (995, 68712), (1194, 57260), (1227, 55720), (1393, 49080), (1592, 42945), (1636, 41790), (1990, 34356), (2045, 33432), (2388, 28630), (2454, 27860), (2786, 24540), (2863, 23880), (2985, 22904), (3272, 20895), (3980, 17178), (4090, 16716), (4179, 16360), (4776, 14315), (4908, 13930), (5572, 12270), (5726, 11940), (5970, 11452), (6135, 11144), (6965, 9816), (7960, 8589), (8180, 8358)]