180804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 486080

約数和(自身を除く): 305276

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 61, 76, 78, 114, 122, 156, 183, 228, 244, 247, 366, 494, 732, 741, 793, 988, 1159, 1482, 1586, 2318, 2379, 2964, 3172, 3477, 4636, 4758, 6954, 9516, 13908, 15067, 30134, 45201, 60268, 90402, 180804]

約数ペア:

[(1, 180804), (2, 90402), (3, 60268), (4, 45201), (6, 30134), (12, 15067), (13, 13908), (19, 9516), (26, 6954), (38, 4758), (39, 4636), (52, 3477), (57, 3172), (61, 2964), (76, 2379), (78, 2318), (114, 1586), (122, 1482), (156, 1159), (183, 988), (228, 793), (244, 741), (247, 732), (366, 494)]