631312640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{70459}}^1$

素因数の和:70487

約数の個数: 72

約数和(自身を含む): 1728242880

約数和(自身を除く): 1096930240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 70459, 140918, 281836, 352295, 493213, 563672, 704590, 986426, 1127344, 1409180, 1972852, 2254688, 2466065, 2818360, 3945704, 4509376, 4932130, 5636720, 7891408, 9018752, 9864260, 11273440, 15782816, 18037504, 19728520, 22546880, 31565632, 39457040, 45093760, 63131264, 78914080, 90187520, 126262528, 157828160, 315656320, 631312640]

約数ペア:

[(1, 631312640), (2, 315656320), (4, 157828160), (5, 126262528), (7, 90187520), (8, 78914080), (10, 63131264), (14, 45093760), (16, 39457040), (20, 31565632), (28, 22546880), (32, 19728520), (35, 18037504), (40, 15782816), (56, 11273440), (64, 9864260), (70, 9018752), (80, 7891408), (112, 5636720), (128, 4932130), (140, 4509376), (160, 3945704), (224, 2818360), (256, 2466065), (280, 2254688), (320, 1972852), (448, 1409180), (560, 1127344), (640, 986426), (896, 704590), (1120, 563672), (1280, 493213), (1792, 352295), (2240, 281836), (4480, 140918), (8960, 70459)]