102420280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 239892480

約数和(自身を除く): 137472200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 151, 155, 248, 302, 310, 547, 604, 620, 755, 1094, 1208, 1240, 1510, 2188, 2735, 3020, 4376, 4681, 5470, 6040, 9362, 10940, 16957, 18724, 21880, 23405, 33914, 37448, 46810, 67828, 82597, 84785, 93620, 135656, 165194, 169570, 187240, 330388, 339140, 412985, 660776, 678280, 825970, 1651940, 2560507, 3303880, 5121014, 10242028, 12802535, 20484056, 25605070, 51210140, 102420280]

約数ペア:

[(1, 102420280), (2, 51210140), (4, 25605070), (5, 20484056), (8, 12802535), (10, 10242028), (20, 5121014), (31, 3303880), (40, 2560507), (62, 1651940), (124, 825970), (151, 678280), (155, 660776), (248, 412985), (302, 339140), (310, 330388), (547, 187240), (604, 169570), (620, 165194), (755, 135656), (1094, 93620), (1208, 84785), (1240, 82597), (1510, 67828), (2188, 46810), (2735, 37448), (3020, 33914), (4376, 23405), (4681, 21880), (5470, 18724), (6040, 16957), (9362, 10940)]