216352720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3793}}^1$

素因数の和:3860

約数の個数: 80

約数和(自身を含む): 541965312

約数和(自身を除く): 325612592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 3793, 5704, 7130, 7586, 11408, 14260, 15172, 18965, 28520, 30344, 37930, 57040, 60688, 75860, 87239, 117583, 151720, 174478, 235166, 303440, 348956, 436195, 470332, 587915, 697912, 872390, 940664, 1175830, 1395824, 1744780, 1881328, 2351660, 2704409, 3489560, 4703320, 5408818, 6979120, 9406640, 10817636, 13522045, 21635272, 27044090, 43270544, 54088180, 108176360, 216352720]

約数ペア:

[(1, 216352720), (2, 108176360), (4, 54088180), (5, 43270544), (8, 27044090), (10, 21635272), (16, 13522045), (20, 10817636), (23, 9406640), (31, 6979120), (40, 5408818), (46, 4703320), (62, 3489560), (80, 2704409), (92, 2351660), (115, 1881328), (124, 1744780), (155, 1395824), (184, 1175830), (230, 940664), (248, 872390), (310, 697912), (368, 587915), (460, 470332), (496, 436195), (620, 348956), (713, 303440), (920, 235166), (1240, 174478), (1426, 151720), (1840, 117583), (2480, 87239), (2852, 75860), (3565, 60688), (3793, 57040), (5704, 37930), (7130, 30344), (7586, 28520), (11408, 18965), (14260, 15172)]