39951240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 138240000

約数和(自身を除く): 98288760

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, 239, 280, 398, 420, 478, 597, 717, 796, 840, 956, 995, 1194, 1195, 1393, 1434, 1592, 1673, 1912, 1990, 2388, 2390, 2786, 2868, 2985, 3346, 3585, 3980, 4179, 4776, 4780, 5019, 5572, 5736, 5970, 6692, 6965, 7170, 7960, 8358, 8365, 9560, 10038, 11144, 11940, 13384, 13930, 14340, 16716, 16730, 20076, 20895, 23880, 25095, 27860, 28680, 33432, 33460, 40152, 41790, 47561, 50190, 55720, 66920, 83580, 95122, 100380, 142683, 167160, 190244, 200760, 237805, 285366, 332927, 380488, 475610, 570732, 665854, 713415, 951220, 998781, 1141464, 1331708, 1426830, 1664635, 1902440, 1997562, 2663416, 2853660, 3329270, 3995124, 4993905, 5707320, 6658540, 7990248, 9987810, 13317080, 19975620, 39951240]

約数ペア:

[(1, 39951240), (2, 19975620), (3, 13317080), (4, 9987810), (5, 7990248), (6, 6658540), (7, 5707320), (8, 4993905), (10, 3995124), (12, 3329270), (14, 2853660), (15, 2663416), (20, 1997562), (21, 1902440), (24, 1664635), (28, 1426830), (30, 1331708), (35, 1141464), (40, 998781), (42, 951220), (56, 713415), (60, 665854), (70, 570732), (84, 475610), (105, 380488), (120, 332927), (140, 285366), (168, 237805), (199, 200760), (210, 190244), (239, 167160), (280, 142683), (398, 100380), (420, 95122), (478, 83580), (597, 66920), (717, 55720), (796, 50190), (840, 47561), (956, 41790), (995, 40152), (1194, 33460), (1195, 33432), (1393, 28680), (1434, 27860), (1592, 25095), (1673, 23880), (1912, 20895), (1990, 20076), (2388, 16730), (2390, 16716), (2786, 14340), (2868, 13930), (2985, 13384), (3346, 11940), (3585, 11144), (3980, 10038), (4179, 9560), (4776, 8365), (4780, 8358), (5019, 7960), (5572, 7170), (5736, 6965), (5970, 6692)]