81756030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2521}}^1$

素因数の和:2601

約数の個数: 64

約数和(自身を含む): 209184768

約数和(自身を除く): 127428738

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 47, 69, 94, 115, 138, 141, 230, 235, 282, 345, 470, 690, 705, 1081, 1410, 2162, 2521, 3243, 5042, 5405, 6486, 7563, 10810, 12605, 15126, 16215, 25210, 32430, 37815, 57983, 75630, 115966, 118487, 173949, 236974, 289915, 347898, 355461, 579830, 592435, 710922, 869745, 1184870, 1739490, 1777305, 2725201, 3554610, 5450402, 8175603, 13626005, 16351206, 27252010, 40878015, 81756030]

約数ペア:

[(1, 81756030), (2, 40878015), (3, 27252010), (5, 16351206), (6, 13626005), (10, 8175603), (15, 5450402), (23, 3554610), (30, 2725201), (46, 1777305), (47, 1739490), (69, 1184870), (94, 869745), (115, 710922), (138, 592435), (141, 579830), (230, 355461), (235, 347898), (282, 289915), (345, 236974), (470, 173949), (690, 118487), (705, 115966), (1081, 75630), (1410, 57983), (2162, 37815), (2521, 32430), (3243, 25210), (5042, 16215), (5405, 15126), (6486, 12605), (7563, 10810)]