72891420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{24793}}^1$

素因数の和:24819

約数の個数: 72

約数和(自身を含む): 237427344

約数和(自身を除く): 164535924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 24793, 49586, 74379, 99172, 123965, 148758, 173551, 247930, 297516, 347102, 371895, 495860, 520653, 694204, 743790, 867755, 1041306, 1214857, 1487580, 1735510, 2082612, 2429714, 2603265, 3471020, 3644571, 4859428, 5206530, 6074285, 7289142, 10413060, 12148570, 14578284, 18222855, 24297140, 36445710, 72891420]

約数ペア:

[(1, 72891420), (2, 36445710), (3, 24297140), (4, 18222855), (5, 14578284), (6, 12148570), (7, 10413060), (10, 7289142), (12, 6074285), (14, 5206530), (15, 4859428), (20, 3644571), (21, 3471020), (28, 2603265), (30, 2429714), (35, 2082612), (42, 1735510), (49, 1487580), (60, 1214857), (70, 1041306), (84, 867755), (98, 743790), (105, 694204), (140, 520653), (147, 495860), (196, 371895), (210, 347102), (245, 297516), (294, 247930), (420, 173551), (490, 148758), (588, 123965), (735, 99172), (980, 74379), (1470, 49586), (2940, 24793)]