54187240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 137894400

約数和(自身を除く): 83707160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 41, 47, 74, 76, 82, 94, 95, 148, 152, 164, 185, 188, 190, 205, 235, 296, 328, 370, 376, 380, 410, 470, 703, 740, 760, 779, 820, 893, 940, 1406, 1480, 1517, 1558, 1640, 1739, 1786, 1880, 1927, 2812, 3034, 3116, 3478, 3515, 3572, 3854, 3895, 4465, 5624, 6068, 6232, 6956, 7030, 7144, 7585, 7708, 7790, 8695, 8930, 9635, 12136, 13912, 14060, 15170, 15416, 15580, 17390, 17860, 19270, 28120, 28823, 30340, 31160, 33041, 34780, 35720, 36613, 38540, 57646, 60680, 66082, 69560, 71299, 73226, 77080, 115292, 132164, 142598, 144115, 146452, 165205, 183065, 230584, 264328, 285196, 288230, 292904, 330410, 356495, 366130, 570392, 576460, 660820, 712990, 732260, 1152920, 1321640, 1354681, 1425980, 1464520, 2709362, 2851960, 5418724, 6773405, 10837448, 13546810, 27093620, 54187240]

約数ペア:

[(1, 54187240), (2, 27093620), (4, 13546810), (5, 10837448), (8, 6773405), (10, 5418724), (19, 2851960), (20, 2709362), (37, 1464520), (38, 1425980), (40, 1354681), (41, 1321640), (47, 1152920), (74, 732260), (76, 712990), (82, 660820), (94, 576460), (95, 570392), (148, 366130), (152, 356495), (164, 330410), (185, 292904), (188, 288230), (190, 285196), (205, 264328), (235, 230584), (296, 183065), (328, 165205), (370, 146452), (376, 144115), (380, 142598), (410, 132164), (470, 115292), (703, 77080), (740, 73226), (760, 71299), (779, 69560), (820, 66082), (893, 60680), (940, 57646), (1406, 38540), (1480, 36613), (1517, 35720), (1558, 34780), (1640, 33041), (1739, 31160), (1786, 30340), (1880, 28823), (1927, 28120), (2812, 19270), (3034, 17860), (3116, 17390), (3478, 15580), (3515, 15416), (3572, 15170), (3854, 14060), (3895, 13912), (4465, 12136), (5624, 9635), (6068, 8930), (6232, 8695), (6956, 7790), (7030, 7708), (7144, 7585)]