78087870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17707}}^1$

素因数の和:17734

約数の個数: 72

約数和(自身を含む): 236189304

約数和(自身を除く): 158101434

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 17707, 35414, 53121, 88535, 106242, 123949, 159363, 177070, 247898, 265605, 318726, 371847, 531210, 619745, 743694, 796815, 867643, 1115541, 1239490, 1593630, 1735286, 1859235, 2231082, 2602929, 3718470, 4338215, 5205858, 5577705, 7808787, 8676430, 11155410, 13014645, 15617574, 26029290, 39043935, 78087870]

約数ペア:

[(1, 78087870), (2, 39043935), (3, 26029290), (5, 15617574), (6, 13014645), (7, 11155410), (9, 8676430), (10, 7808787), (14, 5577705), (15, 5205858), (18, 4338215), (21, 3718470), (30, 2602929), (35, 2231082), (42, 1859235), (45, 1735286), (49, 1593630), (63, 1239490), (70, 1115541), (90, 867643), (98, 796815), (105, 743694), (126, 619745), (147, 531210), (210, 371847), (245, 318726), (294, 265605), (315, 247898), (441, 177070), (490, 159363), (630, 123949), (735, 106242), (882, 88535), (1470, 53121), (2205, 35414), (4410, 17707)]