310132980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2663}}^1$

素因数の和:3325

約数の個数: 72

約数和(自身を含む): 942544512

約数和(自身を除く): 632411532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1941, 2588, 2663, 3235, 3882, 5326, 5823, 6470, 7764, 7989, 9705, 10652, 11646, 12940, 13315, 15978, 19410, 23292, 23967, 26630, 29115, 31956, 38820, 39945, 47934, 53260, 58230, 79890, 95868, 116460, 119835, 159780, 239670, 479340, 1722961, 3445922, 5168883, 6891844, 8614805, 10337766, 15506649, 17229610, 20675532, 25844415, 31013298, 34459220, 51688830, 62026596, 77533245, 103377660, 155066490, 310132980]

約数ペア:

[(1, 310132980), (2, 155066490), (3, 103377660), (4, 77533245), (5, 62026596), (6, 51688830), (9, 34459220), (10, 31013298), (12, 25844415), (15, 20675532), (18, 17229610), (20, 15506649), (30, 10337766), (36, 8614805), (45, 6891844), (60, 5168883), (90, 3445922), (180, 1722961), (647, 479340), (1294, 239670), (1941, 159780), (2588, 119835), (2663, 116460), (3235, 95868), (3882, 79890), (5326, 58230), (5823, 53260), (6470, 47934), (7764, 39945), (7989, 38820), (9705, 31956), (10652, 29115), (11646, 26630), (12940, 23967), (13315, 23292), (15978, 19410)]