1299404680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7879}}^1$

素因数の和:7947

約数の個数: 128

約数和(自身を含む): 3631104000

約数和(自身を除く): 2331699320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1736, 2170, 2356, 2660, 2945, 4123, 4340, 4712, 5320, 5890, 7879, 8246, 8680, 11780, 15758, 16492, 20615, 23560, 31516, 32984, 39395, 41230, 55153, 63032, 78790, 82460, 110306, 149701, 157580, 164920, 220612, 244249, 275765, 299402, 315160, 441224, 488498, 551530, 598804, 748505, 976996, 1047907, 1103060, 1197608, 1221245, 1497010, 1709743, 1953992, 2095814, 2206120, 2442490, 2994020, 3419486, 4191628, 4640731, 4884980, 5239535, 5988040, 6838972, 8383256, 8548715, 9281462, 9769960, 10479070, 13677944, 17097430, 18562924, 20958140, 23203655, 32485117, 34194860, 37125848, 41916280, 46407310, 64970234, 68389720, 92814620, 129940468, 162425585, 185629240, 259880936, 324851170, 649702340, 1299404680]

約数ペア:

[(1, 1299404680), (2, 649702340), (4, 324851170), (5, 259880936), (7, 185629240), (8, 162425585), (10, 129940468), (14, 92814620), (19, 68389720), (20, 64970234), (28, 46407310), (31, 41916280), (35, 37125848), (38, 34194860), (40, 32485117), (56, 23203655), (62, 20958140), (70, 18562924), (76, 17097430), (95, 13677944), (124, 10479070), (133, 9769960), (140, 9281462), (152, 8548715), (155, 8383256), (190, 6838972), (217, 5988040), (248, 5239535), (266, 4884980), (280, 4640731), (310, 4191628), (380, 3419486), (434, 2994020), (532, 2442490), (589, 2206120), (620, 2095814), (665, 1953992), (760, 1709743), (868, 1497010), (1064, 1221245), (1085, 1197608), (1178, 1103060), (1240, 1047907), (1330, 976996), (1736, 748505), (2170, 598804), (2356, 551530), (2660, 488498), (2945, 441224), (4123, 315160), (4340, 299402), (4712, 275765), (5320, 244249), (5890, 220612), (7879, 164920), (8246, 157580), (8680, 149701), (11780, 110306), (15758, 82460), (16492, 78790), (20615, 63032), (23560, 55153), (31516, 41230), (32984, 39395)]