161953540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 402038784

約数和(自身を除く): 240085244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 151, 163, 188, 235, 302, 326, 329, 470, 604, 652, 658, 755, 815, 940, 1057, 1141, 1316, 1510, 1630, 1645, 2114, 2282, 3020, 3260, 3290, 4228, 4564, 5285, 5705, 6580, 7097, 7661, 10570, 11410, 14194, 15322, 21140, 22820, 24613, 28388, 30644, 35485, 38305, 49226, 49679, 53627, 70970, 76610, 98452, 99358, 107254, 123065, 141940, 153220, 172291, 198716, 214508, 246130, 248395, 268135, 344582, 492260, 496790, 536270, 689164, 861455, 993580, 1072540, 1156811, 1722910, 2313622, 3445820, 4627244, 5784055, 8097677, 11568110, 16195354, 23136220, 32390708, 40488385, 80976770, 161953540]

約数ペア:

[(1, 161953540), (2, 80976770), (4, 40488385), (5, 32390708), (7, 23136220), (10, 16195354), (14, 11568110), (20, 8097677), (28, 5784055), (35, 4627244), (47, 3445820), (70, 2313622), (94, 1722910), (140, 1156811), (151, 1072540), (163, 993580), (188, 861455), (235, 689164), (302, 536270), (326, 496790), (329, 492260), (470, 344582), (604, 268135), (652, 248395), (658, 246130), (755, 214508), (815, 198716), (940, 172291), (1057, 153220), (1141, 141940), (1316, 123065), (1510, 107254), (1630, 99358), (1645, 98452), (2114, 76610), (2282, 70970), (3020, 53627), (3260, 49679), (3290, 49226), (4228, 38305), (4564, 35485), (5285, 30644), (5705, 28388), (6580, 24613), (7097, 22820), (7661, 21140), (10570, 15322), (11410, 14194)]