16718480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 43390080

約数和(自身を除く): 26671600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 647, 680, 760, 1292, 1294, 1360, 1520, 1615, 2584, 2588, 3230, 3235, 5168, 5176, 6460, 6470, 10352, 10999, 12293, 12920, 12940, 21998, 24586, 25840, 25880, 43996, 49172, 51760, 54995, 61465, 87992, 98344, 109990, 122930, 175984, 196688, 208981, 219980, 245860, 417962, 439960, 491720, 835924, 879920, 983440, 1044905, 1671848, 2089810, 3343696, 4179620, 8359240, 16718480]

約数ペア:

[(1, 16718480), (2, 8359240), (4, 4179620), (5, 3343696), (8, 2089810), (10, 1671848), (16, 1044905), (17, 983440), (19, 879920), (20, 835924), (34, 491720), (38, 439960), (40, 417962), (68, 245860), (76, 219980), (80, 208981), (85, 196688), (95, 175984), (136, 122930), (152, 109990), (170, 98344), (190, 87992), (272, 61465), (304, 54995), (323, 51760), (340, 49172), (380, 43996), (646, 25880), (647, 25840), (680, 24586), (760, 21998), (1292, 12940), (1294, 12920), (1360, 12293), (1520, 10999), (1615, 10352), (2584, 6470), (2588, 6460), (3230, 5176), (3235, 5168)]