28283760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 95965584

約数和(自身を除く): 67681824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 241, 326, 360, 482, 489, 652, 720, 723, 815, 964, 978, 1205, 1304, 1446, 1467, 1630, 1928, 1956, 2169, 2410, 2445, 2608, 2892, 2934, 3260, 3615, 3856, 3912, 4338, 4820, 4890, 5784, 5868, 6520, 7230, 7335, 7824, 8676, 9640, 9780, 10845, 11568, 11736, 13040, 14460, 14670, 17352, 19280, 19560, 21690, 23472, 28920, 29340, 34704, 39120, 39283, 43380, 57840, 58680, 78566, 86760, 117360, 117849, 157132, 173520, 196415, 235698, 314264, 353547, 392830, 471396, 589245, 628528, 707094, 785660, 942792, 1178490, 1414188, 1571320, 1767735, 1885584, 2356980, 2828376, 3142640, 3535470, 4713960, 5656752, 7070940, 9427920, 14141880, 28283760]

約数ペア:

[(1, 28283760), (2, 14141880), (3, 9427920), (4, 7070940), (5, 5656752), (6, 4713960), (8, 3535470), (9, 3142640), (10, 2828376), (12, 2356980), (15, 1885584), (16, 1767735), (18, 1571320), (20, 1414188), (24, 1178490), (30, 942792), (36, 785660), (40, 707094), (45, 628528), (48, 589245), (60, 471396), (72, 392830), (80, 353547), (90, 314264), (120, 235698), (144, 196415), (163, 173520), (180, 157132), (240, 117849), (241, 117360), (326, 86760), (360, 78566), (482, 58680), (489, 57840), (652, 43380), (720, 39283), (723, 39120), (815, 34704), (964, 29340), (978, 28920), (1205, 23472), (1304, 21690), (1446, 19560), (1467, 19280), (1630, 17352), (1928, 14670), (1956, 14460), (2169, 13040), (2410, 11736), (2445, 11568), (2608, 10845), (2892, 9780), (2934, 9640), (3260, 8676), (3615, 7824), (3856, 7335), (3912, 7230), (4338, 6520), (4820, 5868), (4890, 5784)]