39885720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 138378240

約数和(自身を除く): 98492520

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, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 461, 515, 618, 721, 824, 840, 922, 1030, 1236, 1383, 1442, 1545, 1844, 2060, 2163, 2305, 2472, 2766, 2884, 3090, 3227, 3605, 3688, 4120, 4326, 4610, 5532, 5768, 6180, 6454, 6915, 7210, 8652, 9220, 9681, 10815, 11064, 12360, 12908, 13830, 14420, 16135, 17304, 18440, 19362, 21630, 25816, 27660, 28840, 32270, 38724, 43260, 47483, 48405, 55320, 64540, 77448, 86520, 94966, 96810, 129080, 142449, 189932, 193620, 237415, 284898, 332381, 379864, 387240, 474830, 569796, 664762, 712245, 949660, 997143, 1139592, 1329524, 1424490, 1661905, 1899320, 1994286, 2659048, 2848980, 3323810, 3988572, 4985715, 5697960, 6647620, 7977144, 9971430, 13295240, 19942860, 39885720]

約数ペア:

[(1, 39885720), (2, 19942860), (3, 13295240), (4, 9971430), (5, 7977144), (6, 6647620), (7, 5697960), (8, 4985715), (10, 3988572), (12, 3323810), (14, 2848980), (15, 2659048), (20, 1994286), (21, 1899320), (24, 1661905), (28, 1424490), (30, 1329524), (35, 1139592), (40, 997143), (42, 949660), (56, 712245), (60, 664762), (70, 569796), (84, 474830), (103, 387240), (105, 379864), (120, 332381), (140, 284898), (168, 237415), (206, 193620), (210, 189932), (280, 142449), (309, 129080), (412, 96810), (420, 94966), (461, 86520), (515, 77448), (618, 64540), (721, 55320), (824, 48405), (840, 47483), (922, 43260), (1030, 38724), (1236, 32270), (1383, 28840), (1442, 27660), (1545, 25816), (1844, 21630), (2060, 19362), (2163, 18440), (2305, 17304), (2472, 16135), (2766, 14420), (2884, 13830), (3090, 12908), (3227, 12360), (3605, 11064), (3688, 10815), (4120, 9681), (4326, 9220), (4610, 8652), (5532, 7210), (5768, 6915), (6180, 6454)]