319499640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3235

約数の個数: 160

約数和(自身を含む): 1108863360

約数和(自身を除く): 789363720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 620, 648, 744, 810, 837, 930, 1080, 1116, 1240, 1395, 1620, 1674, 1860, 2232, 2511, 2790, 3181, 3240, 3348, 3720, 4185, 5022, 5580, 6362, 6696, 8370, 9543, 10044, 11160, 12555, 12724, 15905, 16740, 19086, 20088, 25110, 25448, 28629, 31810, 33480, 38172, 47715, 50220, 57258, 63620, 76344, 85887, 95430, 98611, 100440, 114516, 127240, 143145, 171774, 190860, 197222, 229032, 257661, 286290, 295833, 343548, 381720, 394444, 429435, 493055, 515322, 572580, 591666, 687096, 788888, 858870, 887499, 986110, 1030644, 1145160, 1183332, 1288305, 1479165, 1717740, 1774998, 1972220, 2061288, 2366664, 2576610, 2662497, 2958330, 3435480, 3549996, 3944440, 4437495, 5153220, 5324994, 5916660, 7099992, 7987491, 8874990, 10306440, 10649988, 11833320, 13312485, 15974982, 17749980, 21299976, 26624970, 31949964, 35499960, 39937455, 53249940, 63899928, 79874910, 106499880, 159749820, 319499640]

約数ペア:

[(1, 319499640), (2, 159749820), (3, 106499880), (4, 79874910), (5, 63899928), (6, 53249940), (8, 39937455), (9, 35499960), (10, 31949964), (12, 26624970), (15, 21299976), (18, 17749980), (20, 15974982), (24, 13312485), (27, 11833320), (30, 10649988), (31, 10306440), (36, 8874990), (40, 7987491), (45, 7099992), (54, 5916660), (60, 5324994), (62, 5153220), (72, 4437495), (81, 3944440), (90, 3549996), (93, 3435480), (108, 2958330), (120, 2662497), (124, 2576610), (135, 2366664), (155, 2061288), (162, 1972220), (180, 1774998), (186, 1717740), (216, 1479165), (248, 1288305), (270, 1183332), (279, 1145160), (310, 1030644), (324, 986110), (360, 887499), (372, 858870), (405, 788888), (465, 687096), (540, 591666), (558, 572580), (620, 515322), (648, 493055), (744, 429435), (810, 394444), (837, 381720), (930, 343548), (1080, 295833), (1116, 286290), (1240, 257661), (1395, 229032), (1620, 197222), (1674, 190860), (1860, 171774), (2232, 143145), (2511, 127240), (2790, 114516), (3181, 100440), (3240, 98611), (3348, 95430), (3720, 85887), (4185, 76344), (5022, 63620), (5580, 57258), (6362, 50220), (6696, 47715), (8370, 38172), (9543, 33480), (10044, 31810), (11160, 28629), (12555, 25448), (12724, 25110), (15905, 20088), (16740, 19086)]