25085640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 80352000

約数和(自身を除く): 55266360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 149, 183, 184, 230, 244, 276, 298, 305, 345, 366, 447, 460, 488, 552, 596, 610, 690, 732, 745, 894, 915, 920, 1192, 1220, 1380, 1403, 1464, 1490, 1788, 1830, 2235, 2440, 2760, 2806, 2980, 3427, 3576, 3660, 4209, 4470, 5612, 5960, 6854, 7015, 7320, 8418, 8940, 9089, 10281, 11224, 13708, 14030, 16836, 17135, 17880, 18178, 20562, 21045, 27267, 27416, 28060, 33672, 34270, 36356, 41124, 42090, 45445, 51405, 54534, 56120, 68540, 72712, 82248, 84180, 90890, 102810, 109068, 136335, 137080, 168360, 181780, 205620, 209047, 218136, 272670, 363560, 411240, 418094, 545340, 627141, 836188, 1045235, 1090680, 1254282, 1672376, 2090470, 2508564, 3135705, 4180940, 5017128, 6271410, 8361880, 12542820, 25085640]

約数ペア:

[(1, 25085640), (2, 12542820), (3, 8361880), (4, 6271410), (5, 5017128), (6, 4180940), (8, 3135705), (10, 2508564), (12, 2090470), (15, 1672376), (20, 1254282), (23, 1090680), (24, 1045235), (30, 836188), (40, 627141), (46, 545340), (60, 418094), (61, 411240), (69, 363560), (92, 272670), (115, 218136), (120, 209047), (122, 205620), (138, 181780), (149, 168360), (183, 137080), (184, 136335), (230, 109068), (244, 102810), (276, 90890), (298, 84180), (305, 82248), (345, 72712), (366, 68540), (447, 56120), (460, 54534), (488, 51405), (552, 45445), (596, 42090), (610, 41124), (690, 36356), (732, 34270), (745, 33672), (894, 28060), (915, 27416), (920, 27267), (1192, 21045), (1220, 20562), (1380, 18178), (1403, 17880), (1464, 17135), (1490, 16836), (1788, 14030), (1830, 13708), (2235, 11224), (2440, 10281), (2760, 9089), (2806, 8940), (2980, 8418), (3427, 7320), (3576, 7015), (3660, 6854), (4209, 5960), (4470, 5612)]