123877980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40483}}^1$

素因数の和:40515

約数の個数: 72

約数和(自身を含む): 397876752

約数和(自身を除く): 273998772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 40483, 80966, 121449, 161932, 202415, 242898, 364347, 404830, 485796, 607245, 688211, 728694, 809660, 1214490, 1376422, 1457388, 1821735, 2064633, 2428980, 2752844, 3441055, 3643470, 4129266, 6193899, 6882110, 7286940, 8258532, 10323165, 12387798, 13764220, 20646330, 24775596, 30969495, 41292660, 61938990, 123877980]

約数ペア:

[(1, 123877980), (2, 61938990), (3, 41292660), (4, 30969495), (5, 24775596), (6, 20646330), (9, 13764220), (10, 12387798), (12, 10323165), (15, 8258532), (17, 7286940), (18, 6882110), (20, 6193899), (30, 4129266), (34, 3643470), (36, 3441055), (45, 2752844), (51, 2428980), (60, 2064633), (68, 1821735), (85, 1457388), (90, 1376422), (102, 1214490), (153, 809660), (170, 728694), (180, 688211), (204, 607245), (255, 485796), (306, 404830), (340, 364347), (510, 242898), (612, 202415), (765, 161932), (1020, 121449), (1530, 80966), (3060, 40483)]