15400020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 45416448

約数和(自身を除く): 30016428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 47, 60, 86, 94, 127, 129, 141, 172, 188, 215, 235, 254, 258, 282, 381, 430, 470, 508, 516, 564, 635, 645, 705, 762, 860, 940, 1270, 1290, 1410, 1524, 1905, 2021, 2540, 2580, 2820, 3810, 4042, 5461, 5969, 6063, 7620, 8084, 10105, 10922, 11938, 12126, 16383, 17907, 20210, 21844, 23876, 24252, 27305, 29845, 30315, 32766, 35814, 40420, 54610, 59690, 60630, 65532, 71628, 81915, 89535, 109220, 119380, 121260, 163830, 179070, 256667, 327660, 358140, 513334, 770001, 1026668, 1283335, 1540002, 2566670, 3080004, 3850005, 5133340, 7700010, 15400020]

約数ペア:

[(1, 15400020), (2, 7700010), (3, 5133340), (4, 3850005), (5, 3080004), (6, 2566670), (10, 1540002), (12, 1283335), (15, 1026668), (20, 770001), (30, 513334), (43, 358140), (47, 327660), (60, 256667), (86, 179070), (94, 163830), (127, 121260), (129, 119380), (141, 109220), (172, 89535), (188, 81915), (215, 71628), (235, 65532), (254, 60630), (258, 59690), (282, 54610), (381, 40420), (430, 35814), (470, 32766), (508, 30315), (516, 29845), (564, 27305), (635, 24252), (645, 23876), (705, 21844), (762, 20210), (860, 17907), (940, 16383), (1270, 12126), (1290, 11938), (1410, 10922), (1524, 10105), (1905, 8084), (2021, 7620), (2540, 6063), (2580, 5969), (2820, 5461), (3810, 4042)]