78538320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15583}}^1$

素因数の和:15609

約数の個数: 120

約数和(自身を含む): 301456896

約数和(自身を除く): 222918576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15583, 31166, 46749, 62332, 77915, 93498, 109081, 124664, 140247, 155830, 186996, 218162, 233745, 249328, 280494, 311660, 327243, 373992, 436324, 467490, 545405, 560988, 623320, 654486, 701235, 747984, 872648, 934980, 981729, 1090810, 1121976, 1246640, 1308972, 1402470, 1636215, 1745296, 1869960, 1963458, 2181620, 2243952, 2617944, 2804940, 3272430, 3739920, 3926916, 4363240, 4908645, 5235888, 5609880, 6544860, 7853832, 8726480, 9817290, 11219760, 13089720, 15707664, 19634580, 26179440, 39269160, 78538320]

約数ペア:

[(1, 78538320), (2, 39269160), (3, 26179440), (4, 19634580), (5, 15707664), (6, 13089720), (7, 11219760), (8, 9817290), (9, 8726480), (10, 7853832), (12, 6544860), (14, 5609880), (15, 5235888), (16, 4908645), (18, 4363240), (20, 3926916), (21, 3739920), (24, 3272430), (28, 2804940), (30, 2617944), (35, 2243952), (36, 2181620), (40, 1963458), (42, 1869960), (45, 1745296), (48, 1636215), (56, 1402470), (60, 1308972), (63, 1246640), (70, 1121976), (72, 1090810), (80, 981729), (84, 934980), (90, 872648), (105, 747984), (112, 701235), (120, 654486), (126, 623320), (140, 560988), (144, 545405), (168, 467490), (180, 436324), (210, 373992), (240, 327243), (252, 311660), (280, 280494), (315, 249328), (336, 233745), (360, 218162), (420, 186996), (504, 155830), (560, 140247), (630, 124664), (720, 109081), (840, 93498), (1008, 77915), (1260, 62332), (1680, 46749), (2520, 31166), (5040, 15583)]