291358440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11399}}^1$

素因数の和:11487

約数の個数: 96

約数和(自身を含む): 960336000

約数和(自身を除く): 668977560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 11399, 12780, 22798, 25560, 34197, 45596, 56995, 68394, 91192, 102591, 113990, 136788, 170985, 205182, 227980, 273576, 341970, 410364, 455960, 512955, 683940, 809329, 820728, 1025910, 1367880, 1618658, 2051820, 2427987, 3237316, 4046645, 4103640, 4855974, 6474632, 7283961, 8093290, 9711948, 12139935, 14567922, 16186580, 19423896, 24279870, 29135844, 32373160, 36419805, 48559740, 58271688, 72839610, 97119480, 145679220, 291358440]

約数ペア:

[(1, 291358440), (2, 145679220), (3, 97119480), (4, 72839610), (5, 58271688), (6, 48559740), (8, 36419805), (9, 32373160), (10, 29135844), (12, 24279870), (15, 19423896), (18, 16186580), (20, 14567922), (24, 12139935), (30, 9711948), (36, 8093290), (40, 7283961), (45, 6474632), (60, 4855974), (71, 4103640), (72, 4046645), (90, 3237316), (120, 2427987), (142, 2051820), (180, 1618658), (213, 1367880), (284, 1025910), (355, 820728), (360, 809329), (426, 683940), (568, 512955), (639, 455960), (710, 410364), (852, 341970), (1065, 273576), (1278, 227980), (1420, 205182), (1704, 170985), (2130, 136788), (2556, 113990), (2840, 102591), (3195, 91192), (4260, 68394), (5112, 56995), (6390, 45596), (8520, 34197), (11399, 25560), (12780, 22798)]