87623440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3440

約数の個数: 80

約数和(自身を含む): 227128320

約数和(自身を除く): 139504880

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, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 3391, 5168, 6460, 6782, 12920, 13564, 16955, 25840, 27128, 33910, 54256, 57647, 64429, 67820, 115294, 128858, 135640, 230588, 257716, 271280, 288235, 322145, 461176, 515432, 576470, 644290, 922352, 1030864, 1095293, 1152940, 1288580, 2190586, 2305880, 2577160, 4381172, 4611760, 5154320, 5476465, 8762344, 10952930, 17524688, 21905860, 43811720, 87623440]

約数ペア:

[(1, 87623440), (2, 43811720), (4, 21905860), (5, 17524688), (8, 10952930), (10, 8762344), (16, 5476465), (17, 5154320), (19, 4611760), (20, 4381172), (34, 2577160), (38, 2305880), (40, 2190586), (68, 1288580), (76, 1152940), (80, 1095293), (85, 1030864), (95, 922352), (136, 644290), (152, 576470), (170, 515432), (190, 461176), (272, 322145), (304, 288235), (323, 271280), (340, 257716), (380, 230588), (646, 135640), (680, 128858), (760, 115294), (1292, 67820), (1360, 64429), (1520, 57647), (1615, 54256), (2584, 33910), (3230, 27128), (3391, 25840), (5168, 16955), (6460, 13564), (6782, 12920)]