243152840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 653875200

約数和(自身を除く): 410722360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 109, 124, 140, 155, 217, 218, 248, 257, 280, 310, 434, 436, 514, 545, 620, 763, 868, 872, 1028, 1085, 1090, 1240, 1285, 1526, 1736, 1799, 2056, 2170, 2180, 2570, 3052, 3379, 3598, 3815, 4340, 4360, 5140, 6104, 6758, 7196, 7630, 7967, 8680, 8995, 10280, 13516, 14392, 15260, 15934, 16895, 17990, 23653, 27032, 28013, 30520, 31868, 33790, 35980, 39835, 47306, 55769, 56026, 63736, 67580, 71960, 79670, 94612, 111538, 112052, 118265, 135160, 140065, 159340, 189224, 196091, 223076, 224104, 236530, 278845, 280130, 318680, 392182, 446152, 473060, 557690, 560260, 784364, 868403, 946120, 980455, 1115380, 1120520, 1568728, 1736806, 1960910, 2230760, 3473612, 3921820, 4342015, 6078821, 6947224, 7843640, 8684030, 12157642, 17368060, 24315284, 30394105, 34736120, 48630568, 60788210, 121576420, 243152840]

約数ペア:

[(1, 243152840), (2, 121576420), (4, 60788210), (5, 48630568), (7, 34736120), (8, 30394105), (10, 24315284), (14, 17368060), (20, 12157642), (28, 8684030), (31, 7843640), (35, 6947224), (40, 6078821), (56, 4342015), (62, 3921820), (70, 3473612), (109, 2230760), (124, 1960910), (140, 1736806), (155, 1568728), (217, 1120520), (218, 1115380), (248, 980455), (257, 946120), (280, 868403), (310, 784364), (434, 560260), (436, 557690), (514, 473060), (545, 446152), (620, 392182), (763, 318680), (868, 280130), (872, 278845), (1028, 236530), (1085, 224104), (1090, 223076), (1240, 196091), (1285, 189224), (1526, 159340), (1736, 140065), (1799, 135160), (2056, 118265), (2170, 112052), (2180, 111538), (2570, 94612), (3052, 79670), (3379, 71960), (3598, 67580), (3815, 63736), (4340, 56026), (4360, 55769), (5140, 47306), (6104, 39835), (6758, 35980), (7196, 33790), (7630, 31868), (7967, 30520), (8680, 28013), (8995, 27032), (10280, 23653), (13516, 17990), (14392, 16895), (15260, 15934)]