140462720

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 353944080

約数和(自身を除く): 213481360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 53, 64, 80, 82, 101, 106, 128, 160, 164, 202, 205, 212, 265, 320, 328, 404, 410, 424, 505, 530, 640, 656, 808, 820, 848, 1010, 1060, 1312, 1616, 1640, 1696, 2020, 2120, 2173, 2624, 3232, 3280, 3392, 4040, 4141, 4240, 4346, 5248, 5353, 6464, 6560, 6784, 8080, 8282, 8480, 8692, 10706, 10865, 12928, 13120, 16160, 16564, 16960, 17384, 20705, 21412, 21730, 26240, 26765, 32320, 33128, 33920, 34768, 41410, 42824, 43460, 53530, 64640, 66256, 69536, 82820, 85648, 86920, 107060, 132512, 139072, 165640, 171296, 173840, 214120, 219473, 265024, 278144, 331280, 342592, 347680, 428240, 438946, 530048, 662560, 685184, 695360, 856480, 877892, 1097365, 1325120, 1390720, 1712960, 1755784, 2194730, 2650240, 3425920, 3511568, 4389460, 7023136, 8778920, 14046272, 17557840, 28092544, 35115680, 70231360, 140462720]

約数ペア:

[(1, 140462720), (2, 70231360), (4, 35115680), (5, 28092544), (8, 17557840), (10, 14046272), (16, 8778920), (20, 7023136), (32, 4389460), (40, 3511568), (41, 3425920), (53, 2650240), (64, 2194730), (80, 1755784), (82, 1712960), (101, 1390720), (106, 1325120), (128, 1097365), (160, 877892), (164, 856480), (202, 695360), (205, 685184), (212, 662560), (265, 530048), (320, 438946), (328, 428240), (404, 347680), (410, 342592), (424, 331280), (505, 278144), (530, 265024), (640, 219473), (656, 214120), (808, 173840), (820, 171296), (848, 165640), (1010, 139072), (1060, 132512), (1312, 107060), (1616, 86920), (1640, 85648), (1696, 82820), (2020, 69536), (2120, 66256), (2173, 64640), (2624, 53530), (3232, 43460), (3280, 42824), (3392, 41410), (4040, 34768), (4141, 33920), (4240, 33128), (4346, 32320), (5248, 26765), (5353, 26240), (6464, 21730), (6560, 21412), (6784, 20705), (8080, 17384), (8282, 16960), (8480, 16564), (8692, 16160), (10706, 13120), (10865, 12928)]