71285820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19477}}^1$

素因数の和:19550

約数の個数: 48

約数和(自身を含む): 202882848

約数和(自身を除く): 131597028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 19477, 38954, 58431, 77908, 97385, 116862, 194770, 233724, 292155, 389540, 584310, 1168620, 1188097, 2376194, 3564291, 4752388, 5940485, 7128582, 11880970, 14257164, 17821455, 23761940, 35642910, 71285820]

約数ペア:

[(1, 71285820), (2, 35642910), (3, 23761940), (4, 17821455), (5, 14257164), (6, 11880970), (10, 7128582), (12, 5940485), (15, 4752388), (20, 3564291), (30, 2376194), (60, 1188097), (61, 1168620), (122, 584310), (183, 389540), (244, 292155), (305, 233724), (366, 194770), (610, 116862), (732, 97385), (915, 77908), (1220, 58431), (1830, 38954), (3660, 19477)]