30356760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:601

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 75396840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 509, 568, 710, 840, 852, 994, 1018, 1065, 1420, 1491, 1527, 1704, 1988, 2036, 2130, 2485, 2545, 2840, 2982, 3054, 3563, 3976, 4072, 4260, 4970, 5090, 5964, 6108, 7126, 7455, 7635, 8520, 9940, 10180, 10689, 11928, 12216, 14252, 14910, 15270, 17815, 19880, 20360, 21378, 28504, 29820, 30540, 35630, 36139, 42756, 53445, 59640, 61080, 71260, 72278, 85512, 106890, 108417, 142520, 144556, 180695, 213780, 216834, 252973, 289112, 361390, 427560, 433668, 505946, 542085, 722780, 758919, 867336, 1011892, 1084170, 1264865, 1445560, 1517838, 2023784, 2168340, 2529730, 3035676, 3794595, 4336680, 5059460, 6071352, 7589190, 10118920, 15178380, 30356760]

約数ペア:

[(1, 30356760), (2, 15178380), (3, 10118920), (4, 7589190), (5, 6071352), (6, 5059460), (7, 4336680), (8, 3794595), (10, 3035676), (12, 2529730), (14, 2168340), (15, 2023784), (20, 1517838), (21, 1445560), (24, 1264865), (28, 1084170), (30, 1011892), (35, 867336), (40, 758919), (42, 722780), (56, 542085), (60, 505946), (70, 433668), (71, 427560), (84, 361390), (105, 289112), (120, 252973), (140, 216834), (142, 213780), (168, 180695), (210, 144556), (213, 142520), (280, 108417), (284, 106890), (355, 85512), (420, 72278), (426, 71260), (497, 61080), (509, 59640), (568, 53445), (710, 42756), (840, 36139), (852, 35630), (994, 30540), (1018, 29820), (1065, 28504), (1420, 21378), (1491, 20360), (1527, 19880), (1704, 17815), (1988, 15270), (2036, 14910), (2130, 14252), (2485, 12216), (2545, 11928), (2840, 10689), (2982, 10180), (3054, 9940), (3563, 8520), (3976, 7635), (4072, 7455), (4260, 7126), (4970, 6108), (5090, 5964)]