123805980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{863}}^1$

素因数の和:1675

約数の個数: 72

約数和(自身を含む): 376451712

約数和(自身を除く): 252645732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 797, 863, 1594, 1726, 2391, 2589, 3188, 3452, 3985, 4315, 4782, 5178, 7173, 7767, 7970, 8630, 9564, 10356, 11955, 12945, 14346, 15534, 15940, 17260, 23910, 25890, 28692, 31068, 35865, 38835, 47820, 51780, 71730, 77670, 143460, 155340, 687811, 1375622, 2063433, 2751244, 3439055, 4126866, 6190299, 6878110, 8253732, 10317165, 12380598, 13756220, 20634330, 24761196, 30951495, 41268660, 61902990, 123805980]

約数ペア:

[(1, 123805980), (2, 61902990), (3, 41268660), (4, 30951495), (5, 24761196), (6, 20634330), (9, 13756220), (10, 12380598), (12, 10317165), (15, 8253732), (18, 6878110), (20, 6190299), (30, 4126866), (36, 3439055), (45, 2751244), (60, 2063433), (90, 1375622), (180, 687811), (797, 155340), (863, 143460), (1594, 77670), (1726, 71730), (2391, 51780), (2589, 47820), (3188, 38835), (3452, 35865), (3985, 31068), (4315, 28692), (4782, 25890), (5178, 23910), (7173, 17260), (7767, 15940), (7970, 15534), (8630, 14346), (9564, 12945), (10356, 11955)]