245997960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2319

約数の個数: 128

約数和(自身を含む): 806319360

約数和(自身を除く): 560321400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 710, 780, 852, 923, 1065, 1420, 1560, 1704, 1846, 2130, 2221, 2769, 2840, 3692, 4260, 4442, 4615, 5538, 6663, 7384, 8520, 8884, 9230, 11076, 11105, 13326, 13845, 17768, 18460, 22152, 22210, 26652, 27690, 28873, 33315, 36920, 44420, 53304, 55380, 57746, 66630, 86619, 88840, 110760, 115492, 133260, 144365, 157691, 173238, 230984, 266520, 288730, 315382, 346476, 433095, 473073, 577460, 630764, 692952, 788455, 866190, 946146, 1154920, 1261528, 1576910, 1732380, 1892292, 2049983, 2365365, 3153820, 3464760, 3784584, 4099966, 4730730, 6149949, 6307640, 8199932, 9461460, 10249915, 12299898, 16399864, 18922920, 20499830, 24599796, 30749745, 40999660, 49199592, 61499490, 81999320, 122998980, 245997960]

約数ペア:

[(1, 245997960), (2, 122998980), (3, 81999320), (4, 61499490), (5, 49199592), (6, 40999660), (8, 30749745), (10, 24599796), (12, 20499830), (13, 18922920), (15, 16399864), (20, 12299898), (24, 10249915), (26, 9461460), (30, 8199932), (39, 6307640), (40, 6149949), (52, 4730730), (60, 4099966), (65, 3784584), (71, 3464760), (78, 3153820), (104, 2365365), (120, 2049983), (130, 1892292), (142, 1732380), (156, 1576910), (195, 1261528), (213, 1154920), (260, 946146), (284, 866190), (312, 788455), (355, 692952), (390, 630764), (426, 577460), (520, 473073), (568, 433095), (710, 346476), (780, 315382), (852, 288730), (923, 266520), (1065, 230984), (1420, 173238), (1560, 157691), (1704, 144365), (1846, 133260), (2130, 115492), (2221, 110760), (2769, 88840), (2840, 86619), (3692, 66630), (4260, 57746), (4442, 55380), (4615, 53304), (5538, 44420), (6663, 36920), (7384, 33315), (8520, 28873), (8884, 27690), (9230, 26652), (11076, 22210), (11105, 22152), (13326, 18460), (13845, 17768)]