261368010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:700

約数の個数: 96

約数和(自身を含む): 707616000

約数和(自身を除く): 446247990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 239, 261, 290, 419, 435, 478, 522, 717, 838, 870, 1195, 1257, 1305, 1434, 2095, 2151, 2390, 2514, 2610, 3585, 3771, 4190, 4302, 6285, 6931, 7170, 7542, 10755, 12151, 12570, 13862, 18855, 20793, 21510, 24302, 34655, 36453, 37710, 41586, 60755, 62379, 69310, 72906, 100141, 103965, 109359, 121510, 124758, 182265, 200282, 207930, 218718, 300423, 311895, 364530, 500705, 546795, 600846, 623790, 901269, 1001410, 1093590, 1502115, 1802538, 2904089, 3004230, 4506345, 5808178, 8712267, 9012690, 14520445, 17424534, 26136801, 29040890, 43561335, 52273602, 87122670, 130684005, 261368010]

約数ペア:

[(1, 261368010), (2, 130684005), (3, 87122670), (5, 52273602), (6, 43561335), (9, 29040890), (10, 26136801), (15, 17424534), (18, 14520445), (29, 9012690), (30, 8712267), (45, 5808178), (58, 4506345), (87, 3004230), (90, 2904089), (145, 1802538), (174, 1502115), (239, 1093590), (261, 1001410), (290, 901269), (419, 623790), (435, 600846), (478, 546795), (522, 500705), (717, 364530), (838, 311895), (870, 300423), (1195, 218718), (1257, 207930), (1305, 200282), (1434, 182265), (2095, 124758), (2151, 121510), (2390, 109359), (2514, 103965), (2610, 100141), (3585, 72906), (3771, 69310), (4190, 62379), (4302, 60755), (6285, 41586), (6931, 37710), (7170, 36453), (7542, 34655), (10755, 24302), (12151, 21510), (12570, 20793), (13862, 18855)]