68408970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 130656630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 47, 58, 70, 87, 94, 105, 141, 145, 174, 203, 210, 235, 239, 282, 290, 329, 406, 435, 470, 478, 609, 658, 705, 717, 870, 987, 1015, 1195, 1218, 1363, 1410, 1434, 1645, 1673, 1974, 2030, 2390, 2726, 3045, 3290, 3346, 3585, 4089, 4935, 5019, 6090, 6815, 6931, 7170, 8178, 8365, 9541, 9870, 10038, 11233, 13630, 13862, 16730, 19082, 20445, 20793, 22466, 25095, 28623, 33699, 34655, 40890, 41586, 47705, 48517, 50190, 56165, 57246, 67398, 69310, 78631, 95410, 97034, 103965, 112330, 143115, 145551, 157262, 168495, 207930, 235893, 242585, 286230, 291102, 325757, 336990, 393155, 471786, 485170, 651514, 727755, 786310, 977271, 1179465, 1455510, 1628785, 1954542, 2280299, 2358930, 3257570, 4560598, 4886355, 6840897, 9772710, 11401495, 13681794, 22802990, 34204485, 68408970]

約数ペア:

[(1, 68408970), (2, 34204485), (3, 22802990), (5, 13681794), (6, 11401495), (7, 9772710), (10, 6840897), (14, 4886355), (15, 4560598), (21, 3257570), (29, 2358930), (30, 2280299), (35, 1954542), (42, 1628785), (47, 1455510), (58, 1179465), (70, 977271), (87, 786310), (94, 727755), (105, 651514), (141, 485170), (145, 471786), (174, 393155), (203, 336990), (210, 325757), (235, 291102), (239, 286230), (282, 242585), (290, 235893), (329, 207930), (406, 168495), (435, 157262), (470, 145551), (478, 143115), (609, 112330), (658, 103965), (705, 97034), (717, 95410), (870, 78631), (987, 69310), (1015, 67398), (1195, 57246), (1218, 56165), (1363, 50190), (1410, 48517), (1434, 47705), (1645, 41586), (1673, 40890), (1974, 34655), (2030, 33699), (2390, 28623), (2726, 25095), (3045, 22466), (3290, 20793), (3346, 20445), (3585, 19082), (4089, 16730), (4935, 13862), (5019, 13630), (6090, 11233), (6815, 10038), (6931, 9870), (7170, 9541), (8178, 8365)]