1981326240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1375921}}^1$

素因数の和:1375942

約数の個数: 72

約数和(自身を含む): 6761280708

約数和(自身を除く): 4779954468

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1375921, 2751842, 4127763, 5503684, 6879605, 8255526, 11007368, 12383289, 13759210, 16511052, 20638815, 22014736, 24766578, 27518420, 33022104, 41277630, 44029472, 49533156, 55036840, 61916445, 66044208, 82555260, 99066312, 110073680, 123832890, 132088416, 165110520, 198132624, 220147360, 247665780, 330221040, 396265248, 495331560, 660442080, 990663120, 1981326240]

約数ペア:

[(1, 1981326240), (2, 990663120), (3, 660442080), (4, 495331560), (5, 396265248), (6, 330221040), (8, 247665780), (9, 220147360), (10, 198132624), (12, 165110520), (15, 132088416), (16, 123832890), (18, 110073680), (20, 99066312), (24, 82555260), (30, 66044208), (32, 61916445), (36, 55036840), (40, 49533156), (45, 44029472), (48, 41277630), (60, 33022104), (72, 27518420), (80, 24766578), (90, 22014736), (96, 20638815), (120, 16511052), (144, 13759210), (160, 12383289), (180, 11007368), (240, 8255526), (288, 6879605), (360, 5503684), (480, 4127763), (720, 2751842), (1440, 1375921)]