19398960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1283}}^1$

素因数の和:1312

約数の個数: 160

約数和(自身を含む): 76423680

約数和(自身を除く): 57024720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1283, 1512, 1680, 1890, 2160, 2520, 2566, 3024, 3780, 3849, 5040, 5132, 6415, 7560, 7698, 8981, 10264, 11547, 12830, 15120, 15396, 17962, 19245, 20528, 23094, 25660, 26943, 30792, 34641, 35924, 38490, 44905, 46188, 51320, 53886, 57735, 61584, 69282, 71848, 76980, 80829, 89810, 92376, 102640, 107772, 115470, 134715, 138564, 143696, 153960, 161658, 173205, 179620, 184752, 215544, 230940, 242487, 269430, 277128, 307920, 323316, 346410, 359240, 404145, 431088, 461880, 484974, 538860, 554256, 646632, 692820, 718480, 808290, 923760, 969948, 1077720, 1212435, 1293264, 1385640, 1616580, 1939896, 2155440, 2424870, 2771280, 3233160, 3879792, 4849740, 6466320, 9699480, 19398960]

約数ペア:

[(1, 19398960), (2, 9699480), (3, 6466320), (4, 4849740), (5, 3879792), (6, 3233160), (7, 2771280), (8, 2424870), (9, 2155440), (10, 1939896), (12, 1616580), (14, 1385640), (15, 1293264), (16, 1212435), (18, 1077720), (20, 969948), (21, 923760), (24, 808290), (27, 718480), (28, 692820), (30, 646632), (35, 554256), (36, 538860), (40, 484974), (42, 461880), (45, 431088), (48, 404145), (54, 359240), (56, 346410), (60, 323316), (63, 307920), (70, 277128), (72, 269430), (80, 242487), (84, 230940), (90, 215544), (105, 184752), (108, 179620), (112, 173205), (120, 161658), (126, 153960), (135, 143696), (140, 138564), (144, 134715), (168, 115470), (180, 107772), (189, 102640), (210, 92376), (216, 89810), (240, 80829), (252, 76980), (270, 71848), (280, 69282), (315, 61584), (336, 57735), (360, 53886), (378, 51320), (420, 46188), (432, 44905), (504, 38490), (540, 35924), (560, 34641), (630, 30792), (720, 26943), (756, 25660), (840, 23094), (945, 20528), (1008, 19245), (1080, 17962), (1260, 15396), (1283, 15120), (1512, 12830), (1680, 11547), (1890, 10264), (2160, 8981), (2520, 7698), (2566, 7560), (3024, 6415), (3780, 5132), (3849, 5040)]