215193720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1063}}^1$

素因数の和:1325

約数の個数: 128

約数和(自身を含む): 741565440

約数和(自身を除く): 526371720

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, 105, 120, 140, 168, 210, 241, 280, 420, 482, 723, 840, 964, 1063, 1205, 1446, 1687, 1928, 2126, 2410, 2892, 3189, 3374, 3615, 4252, 4820, 5061, 5315, 5784, 6378, 6748, 7230, 7441, 8435, 8504, 9640, 10122, 10630, 12756, 13496, 14460, 14882, 15945, 16870, 20244, 21260, 22323, 25305, 25512, 28920, 29764, 31890, 33740, 37205, 40488, 42520, 44646, 50610, 59528, 63780, 67480, 74410, 89292, 101220, 111615, 127560, 148820, 178584, 202440, 223230, 256183, 297640, 446460, 512366, 768549, 892920, 1024732, 1280915, 1537098, 1793281, 2049464, 2561830, 3074196, 3586562, 3842745, 5123660, 5379843, 6148392, 7173124, 7685490, 8966405, 10247320, 10759686, 14346248, 15370980, 17932810, 21519372, 26899215, 30741960, 35865620, 43038744, 53798430, 71731240, 107596860, 215193720]

約数ペア:

[(1, 215193720), (2, 107596860), (3, 71731240), (4, 53798430), (5, 43038744), (6, 35865620), (7, 30741960), (8, 26899215), (10, 21519372), (12, 17932810), (14, 15370980), (15, 14346248), (20, 10759686), (21, 10247320), (24, 8966405), (28, 7685490), (30, 7173124), (35, 6148392), (40, 5379843), (42, 5123660), (56, 3842745), (60, 3586562), (70, 3074196), (84, 2561830), (105, 2049464), (120, 1793281), (140, 1537098), (168, 1280915), (210, 1024732), (241, 892920), (280, 768549), (420, 512366), (482, 446460), (723, 297640), (840, 256183), (964, 223230), (1063, 202440), (1205, 178584), (1446, 148820), (1687, 127560), (1928, 111615), (2126, 101220), (2410, 89292), (2892, 74410), (3189, 67480), (3374, 63780), (3615, 59528), (4252, 50610), (4820, 44646), (5061, 42520), (5315, 40488), (5784, 37205), (6378, 33740), (6748, 31890), (7230, 29764), (7441, 28920), (8435, 25512), (8504, 25305), (9640, 22323), (10122, 21260), (10630, 20244), (12756, 16870), (13496, 15945), (14460, 14882)]