259498980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1$

素因数の和:2650

約数の個数: 144

約数和(自身を含む): 867746880

約数和(自身を除く): 608247900

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, 2236, 2340, 2579, 2580, 2795, 3354, 3870, 5031, 5158, 5590, 6708, 7737, 7740, 8385, 10062, 10316, 11180, 12895, 15474, 16770, 20124, 23211, 25155, 25790, 30948, 33527, 33540, 38685, 46422, 50310, 51580, 67054, 77370, 92844, 100581, 100620, 110897, 116055, 134108, 154740, 167635, 201162, 221794, 232110, 301743, 332691, 335270, 402324, 443588, 464220, 502905, 554485, 603486, 665382, 670540, 998073, 1005810, 1108970, 1206972, 1330764, 1441661, 1508715, 1663455, 1996146, 2011620, 2217940, 2883322, 3017430, 3326910, 3992292, 4324983, 4990365, 5766644, 6034860, 6653820, 7208305, 8649966, 9980730, 12974949, 14416610, 17299932, 19961460, 21624915, 25949898, 28833220, 43249830, 51899796, 64874745, 86499660, 129749490, 259498980]

約数ペア:

[(1, 259498980), (2, 129749490), (3, 86499660), (4, 64874745), (5, 51899796), (6, 43249830), (9, 28833220), (10, 25949898), (12, 21624915), (13, 19961460), (15, 17299932), (18, 14416610), (20, 12974949), (26, 9980730), (30, 8649966), (36, 7208305), (39, 6653820), (43, 6034860), (45, 5766644), (52, 4990365), (60, 4324983), (65, 3992292), (78, 3326910), (86, 3017430), (90, 2883322), (117, 2217940), (129, 2011620), (130, 1996146), (156, 1663455), (172, 1508715), (180, 1441661), (195, 1330764), (215, 1206972), (234, 1108970), (258, 1005810), (260, 998073), (387, 670540), (390, 665382), (430, 603486), (468, 554485), (516, 502905), (559, 464220), (585, 443588), (645, 402324), (774, 335270), (780, 332691), (860, 301743), (1118, 232110), (1170, 221794), (1290, 201162), (1548, 167635), (1677, 154740), (1935, 134108), (2236, 116055), (2340, 110897), (2579, 100620), (2580, 100581), (2795, 92844), (3354, 77370), (3870, 67054), (5031, 51580), (5158, 50310), (5590, 46422), (6708, 38685), (7737, 33540), (7740, 33527), (8385, 30948), (10062, 25790), (10316, 25155), (11180, 23211), (12895, 20124), (15474, 16770)]