254994840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 192

約数和(自身を含む): 869955840

約数和(自身を除く): 614961000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 73, 90, 93, 120, 124, 146, 155, 180, 186, 219, 248, 279, 292, 310, 313, 360, 365, 372, 438, 465, 558, 584, 620, 626, 657, 730, 744, 876, 930, 939, 1095, 1116, 1240, 1252, 1314, 1395, 1460, 1565, 1752, 1860, 1878, 2190, 2232, 2263, 2504, 2628, 2790, 2817, 2920, 3130, 3285, 3720, 3756, 4380, 4526, 4695, 5256, 5580, 5634, 6260, 6570, 6789, 7512, 8760, 9052, 9390, 9703, 11160, 11268, 11315, 12520, 13140, 13578, 14085, 18104, 18780, 19406, 20367, 22536, 22630, 22849, 26280, 27156, 28170, 29109, 33945, 37560, 38812, 40734, 45260, 45698, 48515, 54312, 56340, 58218, 67890, 68547, 77624, 81468, 87327, 90520, 91396, 97030, 101835, 112680, 114245, 116436, 135780, 137094, 145545, 162936, 174654, 182792, 194060, 203670, 205641, 228490, 232872, 271560, 274188, 291090, 342735, 349308, 388120, 407340, 411282, 436635, 456980, 548376, 582180, 685470, 698616, 708319, 814680, 822564, 873270, 913960, 1028205, 1164360, 1370940, 1416638, 1645128, 1746540, 2056410, 2124957, 2741880, 2833276, 3493080, 3541595, 4112820, 4249914, 5666552, 6374871, 7083190, 8225640, 8499828, 10624785, 12749742, 14166380, 16999656, 21249570, 25499484, 28332760, 31874355, 42499140, 50998968, 63748710, 84998280, 127497420, 254994840]

約数ペア:

[(1, 254994840), (2, 127497420), (3, 84998280), (4, 63748710), (5, 50998968), (6, 42499140), (8, 31874355), (9, 28332760), (10, 25499484), (12, 21249570), (15, 16999656), (18, 14166380), (20, 12749742), (24, 10624785), (30, 8499828), (31, 8225640), (36, 7083190), (40, 6374871), (45, 5666552), (60, 4249914), (62, 4112820), (72, 3541595), (73, 3493080), (90, 2833276), (93, 2741880), (120, 2124957), (124, 2056410), (146, 1746540), (155, 1645128), (180, 1416638), (186, 1370940), (219, 1164360), (248, 1028205), (279, 913960), (292, 873270), (310, 822564), (313, 814680), (360, 708319), (365, 698616), (372, 685470), (438, 582180), (465, 548376), (558, 456980), (584, 436635), (620, 411282), (626, 407340), (657, 388120), (730, 349308), (744, 342735), (876, 291090), (930, 274188), (939, 271560), (1095, 232872), (1116, 228490), (1240, 205641), (1252, 203670), (1314, 194060), (1395, 182792), (1460, 174654), (1565, 162936), (1752, 145545), (1860, 137094), (1878, 135780), (2190, 116436), (2232, 114245), (2263, 112680), (2504, 101835), (2628, 97030), (2790, 91396), (2817, 90520), (2920, 87327), (3130, 81468), (3285, 77624), (3720, 68547), (3756, 67890), (4380, 58218), (4526, 56340), (4695, 54312), (5256, 48515), (5580, 45698), (5634, 45260), (6260, 40734), (6570, 38812), (6789, 37560), (7512, 33945), (8760, 29109), (9052, 28170), (9390, 27156), (9703, 26280), (11160, 22849), (11268, 22630), (11315, 22536), (12520, 20367), (13140, 19406), (13578, 18780), (14085, 18104)]