207515240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4523}}^1$

素因数の和:4602

約数の個数: 64

約数和(自身を含む): 495106560

約数和(自身を除く): 287591320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4523, 4588, 5735, 9046, 9176, 11470, 18092, 22615, 22940, 36184, 45230, 45880, 90460, 140213, 167351, 180920, 280426, 334702, 560852, 669404, 701065, 836755, 1121704, 1338808, 1402130, 1673510, 2804260, 3347020, 5187881, 5608520, 6694040, 10375762, 20751524, 25939405, 41503048, 51878810, 103757620, 207515240]

約数ペア:

[(1, 207515240), (2, 103757620), (4, 51878810), (5, 41503048), (8, 25939405), (10, 20751524), (20, 10375762), (31, 6694040), (37, 5608520), (40, 5187881), (62, 3347020), (74, 2804260), (124, 1673510), (148, 1402130), (155, 1338808), (185, 1121704), (248, 836755), (296, 701065), (310, 669404), (370, 560852), (620, 334702), (740, 280426), (1147, 180920), (1240, 167351), (1480, 140213), (2294, 90460), (4523, 45880), (4588, 45230), (5735, 36184), (9046, 22940), (9176, 22615), (11470, 18092)]