87506940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23909}}^1$

素因数の和:23982

約数の個数: 48

約数和(自身を含む): 249046560

約数和(自身を除く): 161539620

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, 23909, 47818, 71727, 95636, 119545, 143454, 239090, 286908, 358635, 478180, 717270, 1434540, 1458449, 2916898, 4375347, 5833796, 7292245, 8750694, 14584490, 17501388, 21876735, 29168980, 43753470, 87506940]

約数ペア:

[(1, 87506940), (2, 43753470), (3, 29168980), (4, 21876735), (5, 17501388), (6, 14584490), (10, 8750694), (12, 7292245), (15, 5833796), (20, 4375347), (30, 2916898), (60, 1458449), (61, 1434540), (122, 717270), (183, 478180), (244, 358635), (305, 286908), (366, 239090), (610, 143454), (732, 119545), (915, 95636), (1220, 71727), (1830, 47818), (3660, 23909)]