12727960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 33073920

約数和(自身を除く): 20345960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 347, 524, 655, 694, 917, 1048, 1310, 1388, 1735, 1834, 2429, 2620, 2776, 3470, 3668, 4585, 4858, 5240, 6940, 7336, 9170, 9716, 12145, 13880, 18340, 19432, 24290, 36680, 45457, 48580, 90914, 97160, 181828, 227285, 318199, 363656, 454570, 636398, 909140, 1272796, 1590995, 1818280, 2545592, 3181990, 6363980, 12727960]

約数ペア:

[(1, 12727960), (2, 6363980), (4, 3181990), (5, 2545592), (7, 1818280), (8, 1590995), (10, 1272796), (14, 909140), (20, 636398), (28, 454570), (35, 363656), (40, 318199), (56, 227285), (70, 181828), (131, 97160), (140, 90914), (262, 48580), (280, 45457), (347, 36680), (524, 24290), (655, 19432), (694, 18340), (917, 13880), (1048, 12145), (1310, 9716), (1388, 9170), (1735, 7336), (1834, 6940), (2429, 5240), (2620, 4858), (2776, 4585), (3470, 3668)]