27718160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 69303600

約数和(自身を除く): 41585440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 229, 272, 340, 356, 445, 458, 680, 712, 890, 916, 1145, 1360, 1424, 1513, 1780, 1832, 2290, 3026, 3560, 3664, 3893, 4580, 6052, 7120, 7565, 7786, 9160, 12104, 15130, 15572, 18320, 19465, 20381, 24208, 30260, 31144, 38930, 40762, 60520, 62288, 77860, 81524, 101905, 121040, 155720, 163048, 203810, 311440, 326096, 346477, 407620, 692954, 815240, 1385908, 1630480, 1732385, 2771816, 3464770, 5543632, 6929540, 13859080, 27718160]

約数ペア:

[(1, 27718160), (2, 13859080), (4, 6929540), (5, 5543632), (8, 3464770), (10, 2771816), (16, 1732385), (17, 1630480), (20, 1385908), (34, 815240), (40, 692954), (68, 407620), (80, 346477), (85, 326096), (89, 311440), (136, 203810), (170, 163048), (178, 155720), (229, 121040), (272, 101905), (340, 81524), (356, 77860), (445, 62288), (458, 60520), (680, 40762), (712, 38930), (890, 31144), (916, 30260), (1145, 24208), (1360, 20381), (1424, 19465), (1513, 18320), (1780, 15572), (1832, 15130), (2290, 12104), (3026, 9160), (3560, 7786), (3664, 7565), (3893, 7120), (4580, 6052)]