171873920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8663}}^1$

素因数の和:8713

約数の個数: 64

約数和(自身を含む): 424189440

約数和(自身を除く): 252315520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8663, 9920, 17326, 19840, 34652, 43315, 69304, 86630, 138608, 173260, 268553, 277216, 346520, 537106, 554432, 693040, 1074212, 1108864, 1342765, 1386080, 2148424, 2685530, 2772160, 4296848, 5371060, 5544320, 8593696, 10742120, 17187392, 21484240, 34374784, 42968480, 85936960, 171873920]

約数ペア:

[(1, 171873920), (2, 85936960), (4, 42968480), (5, 34374784), (8, 21484240), (10, 17187392), (16, 10742120), (20, 8593696), (31, 5544320), (32, 5371060), (40, 4296848), (62, 2772160), (64, 2685530), (80, 2148424), (124, 1386080), (128, 1342765), (155, 1108864), (160, 1074212), (248, 693040), (310, 554432), (320, 537106), (496, 346520), (620, 277216), (640, 268553), (992, 173260), (1240, 138608), (1984, 86630), (2480, 69304), (3968, 43315), (4960, 34652), (8663, 19840), (9920, 17326)]