208182780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2140

約数の個数: 144

約数和(自身を含む): 696215520

約数和(自身を除く): 488032740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 2069, 2236, 2340, 2580, 2795, 3354, 3870, 4138, 5031, 5590, 6207, 6708, 7740, 8276, 8385, 10062, 10345, 11180, 12414, 16770, 18621, 20124, 20690, 24828, 25155, 26897, 31035, 33540, 37242, 41380, 50310, 53794, 62070, 74484, 80691, 88967, 93105, 100620, 107588, 124140, 134485, 161382, 177934, 186210, 242073, 266901, 268970, 322764, 355868, 372420, 403455, 444835, 484146, 533802, 537940, 800703, 806910, 889670, 968292, 1067604, 1156571, 1210365, 1334505, 1601406, 1613820, 1779340, 2313142, 2420730, 2669010, 3202812, 3469713, 4003515, 4626284, 4841460, 5338020, 5782855, 6939426, 8007030, 10409139, 11565710, 13878852, 16014060, 17348565, 20818278, 23131420, 34697130, 41636556, 52045695, 69394260, 104091390, 208182780]

約数ペア:

[(1, 208182780), (2, 104091390), (3, 69394260), (4, 52045695), (5, 41636556), (6, 34697130), (9, 23131420), (10, 20818278), (12, 17348565), (13, 16014060), (15, 13878852), (18, 11565710), (20, 10409139), (26, 8007030), (30, 6939426), (36, 5782855), (39, 5338020), (43, 4841460), (45, 4626284), (52, 4003515), (60, 3469713), (65, 3202812), (78, 2669010), (86, 2420730), (90, 2313142), (117, 1779340), (129, 1613820), (130, 1601406), (156, 1334505), (172, 1210365), (180, 1156571), (195, 1067604), (215, 968292), (234, 889670), (258, 806910), (260, 800703), (387, 537940), (390, 533802), (430, 484146), (468, 444835), (516, 403455), (559, 372420), (585, 355868), (645, 322764), (774, 268970), (780, 266901), (860, 242073), (1118, 186210), (1170, 177934), (1290, 161382), (1548, 134485), (1677, 124140), (1935, 107588), (2069, 100620), (2236, 93105), (2340, 88967), (2580, 80691), (2795, 74484), (3354, 62070), (3870, 53794), (4138, 50310), (5031, 41380), (5590, 37242), (6207, 33540), (6708, 31035), (7740, 26897), (8276, 25155), (8385, 24828), (10062, 20690), (10345, 20124), (11180, 18621), (12414, 16770)]