30206240

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2659}}^1$

素因数の和:2745

約数の個数: 48

約数和(自身を含む): 72394560

約数和(自身を除く): 42188320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2659, 2840, 5318, 5680, 10636, 11360, 13295, 21272, 26590, 42544, 53180, 85088, 106360, 188789, 212720, 377578, 425440, 755156, 943945, 1510312, 1887890, 3020624, 3775780, 6041248, 7551560, 15103120, 30206240]

約数ペア:

[(1, 30206240), (2, 15103120), (4, 7551560), (5, 6041248), (8, 3775780), (10, 3020624), (16, 1887890), (20, 1510312), (32, 943945), (40, 755156), (71, 425440), (80, 377578), (142, 212720), (160, 188789), (284, 106360), (355, 85088), (568, 53180), (710, 42544), (1136, 26590), (1420, 21272), (2272, 13295), (2659, 11360), (2840, 10636), (5318, 5680)]