178920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1$

素因数の和:95

約数の個数: 96

約数和(自身を含む): 673920

約数和(自身を除く): 495000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 497, 504, 568, 630, 639, 710, 840, 852, 994, 1065, 1260, 1278, 1420, 1491, 1704, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3195, 3976, 4260, 4473, 4970, 5112, 5964, 6390, 7455, 8520, 8946, 9940, 11928, 12780, 14910, 17892, 19880, 22365, 25560, 29820, 35784, 44730, 59640, 89460, 178920]

約数ペア:

[(1, 178920), (2, 89460), (3, 59640), (4, 44730), (5, 35784), (6, 29820), (7, 25560), (8, 22365), (9, 19880), (10, 17892), (12, 14910), (14, 12780), (15, 11928), (18, 9940), (20, 8946), (21, 8520), (24, 7455), (28, 6390), (30, 5964), (35, 5112), (36, 4970), (40, 4473), (42, 4260), (45, 3976), (56, 3195), (60, 2982), (63, 2840), (70, 2556), (71, 2520), (72, 2485), (84, 2130), (90, 1988), (105, 1704), (120, 1491), (126, 1420), (140, 1278), (142, 1260), (168, 1065), (180, 994), (210, 852), (213, 840), (252, 710), (280, 639), (284, 630), (315, 568), (355, 504), (360, 497), (420, 426)]