123531240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:959

約数の個数: 128

約数和(自身を含む): 426240000

約数和(自身を除く): 302708760

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, 420, 597, 739, 796, 840, 995, 1194, 1393, 1478, 1592, 1990, 2217, 2388, 2786, 2956, 2985, 3695, 3980, 4179, 4434, 4776, 5173, 5572, 5912, 5970, 6965, 7390, 7960, 8358, 8868, 10346, 11085, 11144, 11940, 13930, 14780, 15519, 16716, 17736, 20692, 20895, 22170, 23880, 25865, 27860, 29560, 31038, 33432, 41384, 41790, 44340, 51730, 55720, 62076, 77595, 83580, 88680, 103460, 124152, 147061, 155190, 167160, 206920, 294122, 310380, 441183, 588244, 620760, 735305, 882366, 1029427, 1176488, 1470610, 1764732, 2058854, 2205915, 2941220, 3088281, 3529464, 4117708, 4411830, 5147135, 5882440, 6176562, 8235416, 8823660, 10294270, 12353124, 15441405, 17647320, 20588540, 24706248, 30882810, 41177080, 61765620, 123531240]

約数ペア:

[(1, 123531240), (2, 61765620), (3, 41177080), (4, 30882810), (5, 24706248), (6, 20588540), (7, 17647320), (8, 15441405), (10, 12353124), (12, 10294270), (14, 8823660), (15, 8235416), (20, 6176562), (21, 5882440), (24, 5147135), (28, 4411830), (30, 4117708), (35, 3529464), (40, 3088281), (42, 2941220), (56, 2205915), (60, 2058854), (70, 1764732), (84, 1470610), (105, 1176488), (120, 1029427), (140, 882366), (168, 735305), (199, 620760), (210, 588244), (280, 441183), (398, 310380), (420, 294122), (597, 206920), (739, 167160), (796, 155190), (840, 147061), (995, 124152), (1194, 103460), (1393, 88680), (1478, 83580), (1592, 77595), (1990, 62076), (2217, 55720), (2388, 51730), (2786, 44340), (2956, 41790), (2985, 41384), (3695, 33432), (3980, 31038), (4179, 29560), (4434, 27860), (4776, 25865), (5173, 23880), (5572, 22170), (5912, 20895), (5970, 20692), (6965, 17736), (7390, 16716), (7960, 15519), (8358, 14780), (8868, 13930), (10346, 11940), (11085, 11144)]