210963720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2347

約数の個数: 128

約数和(自身を含む): 700462080

約数和(自身を除く): 489498360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 355, 426, 440, 568, 660, 710, 781, 852, 1065, 1320, 1420, 1562, 1704, 2130, 2251, 2343, 2840, 3124, 3905, 4260, 4502, 4686, 6248, 6753, 7810, 8520, 9004, 9372, 11255, 11715, 13506, 15620, 18008, 18744, 22510, 23430, 24761, 27012, 31240, 33765, 45020, 46860, 49522, 54024, 67530, 74283, 90040, 93720, 99044, 123805, 135060, 148566, 159821, 198088, 247610, 270120, 297132, 319642, 371415, 479463, 495220, 594264, 639284, 742830, 799105, 958926, 990440, 1278568, 1485660, 1598210, 1758031, 1917852, 2397315, 2971320, 3196420, 3516062, 3835704, 4794630, 5274093, 6392840, 7032124, 8790155, 9589260, 10548186, 14064248, 17580310, 19178520, 21096372, 26370465, 35160620, 42192744, 52740930, 70321240, 105481860, 210963720]

約数ペア:

[(1, 210963720), (2, 105481860), (3, 70321240), (4, 52740930), (5, 42192744), (6, 35160620), (8, 26370465), (10, 21096372), (11, 19178520), (12, 17580310), (15, 14064248), (20, 10548186), (22, 9589260), (24, 8790155), (30, 7032124), (33, 6392840), (40, 5274093), (44, 4794630), (55, 3835704), (60, 3516062), (66, 3196420), (71, 2971320), (88, 2397315), (110, 1917852), (120, 1758031), (132, 1598210), (142, 1485660), (165, 1278568), (213, 990440), (220, 958926), (264, 799105), (284, 742830), (330, 639284), (355, 594264), (426, 495220), (440, 479463), (568, 371415), (660, 319642), (710, 297132), (781, 270120), (852, 247610), (1065, 198088), (1320, 159821), (1420, 148566), (1562, 135060), (1704, 123805), (2130, 99044), (2251, 93720), (2343, 90040), (2840, 74283), (3124, 67530), (3905, 54024), (4260, 49522), (4502, 46860), (4686, 45020), (6248, 33765), (6753, 31240), (7810, 27012), (8520, 24761), (9004, 23430), (9372, 22510), (11255, 18744), (11715, 18008), (13506, 15620)]