25840680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 83980800

約数和(自身を除く): 58140120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 53, 60, 68, 85, 102, 106, 120, 136, 159, 170, 204, 212, 239, 255, 265, 318, 340, 408, 424, 478, 510, 530, 636, 680, 717, 795, 901, 956, 1020, 1060, 1195, 1272, 1434, 1590, 1802, 1912, 2040, 2120, 2390, 2703, 2868, 3180, 3585, 3604, 4063, 4505, 4780, 5406, 5736, 6360, 7170, 7208, 8126, 9010, 9560, 10812, 12189, 12667, 13515, 14340, 16252, 18020, 20315, 21624, 24378, 25334, 27030, 28680, 32504, 36040, 38001, 40630, 48756, 50668, 54060, 60945, 63335, 76002, 81260, 97512, 101336, 108120, 121890, 126670, 152004, 162520, 190005, 215339, 243780, 253340, 304008, 380010, 430678, 487560, 506680, 646017, 760020, 861356, 1076695, 1292034, 1520040, 1722712, 2153390, 2584068, 3230085, 4306780, 5168136, 6460170, 8613560, 12920340, 25840680]

約数ペア:

[(1, 25840680), (2, 12920340), (3, 8613560), (4, 6460170), (5, 5168136), (6, 4306780), (8, 3230085), (10, 2584068), (12, 2153390), (15, 1722712), (17, 1520040), (20, 1292034), (24, 1076695), (30, 861356), (34, 760020), (40, 646017), (51, 506680), (53, 487560), (60, 430678), (68, 380010), (85, 304008), (102, 253340), (106, 243780), (120, 215339), (136, 190005), (159, 162520), (170, 152004), (204, 126670), (212, 121890), (239, 108120), (255, 101336), (265, 97512), (318, 81260), (340, 76002), (408, 63335), (424, 60945), (478, 54060), (510, 50668), (530, 48756), (636, 40630), (680, 38001), (717, 36040), (795, 32504), (901, 28680), (956, 27030), (1020, 25334), (1060, 24378), (1195, 21624), (1272, 20315), (1434, 18020), (1590, 16252), (1802, 14340), (1912, 13515), (2040, 12667), (2120, 12189), (2390, 10812), (2703, 9560), (2868, 9010), (3180, 8126), (3585, 7208), (3604, 7170), (4063, 6360), (4505, 5736), (4780, 5406)]