643018320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127583}}^1$

素因数の和:127609

約数の個数: 120

約数和(自身を含む): 2467984896

約数和(自身を除く): 1824966576

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, 127583, 255166, 382749, 510332, 637915, 765498, 893081, 1020664, 1148247, 1275830, 1530996, 1786162, 1913745, 2041328, 2296494, 2551660, 2679243, 3061992, 3572324, 3827490, 4465405, 4592988, 5103320, 5358486, 5741235, 6123984, 7144648, 7654980, 8037729, 8930810, 9185976, 10206640, 10716972, 11482470, 13396215, 14289296, 15309960, 16075458, 17861620, 18371952, 21433944, 22964940, 26792430, 30619920, 32150916, 35723240, 40188645, 42867888, 45929880, 53584860, 64301832, 71446480, 80377290, 91859760, 107169720, 128603664, 160754580, 214339440, 321509160, 643018320]

約数ペア:

[(1, 643018320), (2, 321509160), (3, 214339440), (4, 160754580), (5, 128603664), (6, 107169720), (7, 91859760), (8, 80377290), (9, 71446480), (10, 64301832), (12, 53584860), (14, 45929880), (15, 42867888), (16, 40188645), (18, 35723240), (20, 32150916), (21, 30619920), (24, 26792430), (28, 22964940), (30, 21433944), (35, 18371952), (36, 17861620), (40, 16075458), (42, 15309960), (45, 14289296), (48, 13396215), (56, 11482470), (60, 10716972), (63, 10206640), (70, 9185976), (72, 8930810), (80, 8037729), (84, 7654980), (90, 7144648), (105, 6123984), (112, 5741235), (120, 5358486), (126, 5103320), (140, 4592988), (144, 4465405), (168, 3827490), (180, 3572324), (210, 3061992), (240, 2679243), (252, 2551660), (280, 2296494), (315, 2041328), (336, 1913745), (360, 1786162), (420, 1530996), (504, 1275830), (560, 1148247), (630, 1020664), (720, 893081), (840, 765498), (1008, 637915), (1260, 510332), (1680, 382749), (2520, 255166), (5040, 127583)]