2305840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 5937120

約数和(自身を除く): 3631280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 41, 74, 76, 80, 82, 95, 148, 152, 164, 185, 190, 205, 296, 304, 328, 370, 380, 410, 592, 656, 703, 740, 760, 779, 820, 1406, 1480, 1517, 1520, 1558, 1640, 2812, 2960, 3034, 3116, 3280, 3515, 3895, 5624, 6068, 6232, 7030, 7585, 7790, 11248, 12136, 12464, 14060, 15170, 15580, 24272, 28120, 28823, 30340, 31160, 56240, 57646, 60680, 62320, 115292, 121360, 144115, 230584, 288230, 461168, 576460, 1152920, 2305840]

約数ペア:

[(1, 2305840), (2, 1152920), (4, 576460), (5, 461168), (8, 288230), (10, 230584), (16, 144115), (19, 121360), (20, 115292), (37, 62320), (38, 60680), (40, 57646), (41, 56240), (74, 31160), (76, 30340), (80, 28823), (82, 28120), (95, 24272), (148, 15580), (152, 15170), (164, 14060), (185, 12464), (190, 12136), (205, 11248), (296, 7790), (304, 7585), (328, 7030), (370, 6232), (380, 6068), (410, 5624), (592, 3895), (656, 3515), (703, 3280), (740, 3116), (760, 3034), (779, 2960), (820, 2812), (1406, 1640), (1480, 1558), (1517, 1520)]