255187760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 622460160

約数和(自身を除く): 367272400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 331, 368, 419, 460, 662, 838, 920, 1324, 1655, 1676, 1840, 2095, 2648, 3310, 3352, 4190, 5296, 6620, 6704, 7613, 8380, 9637, 13240, 15226, 16760, 19274, 26480, 30452, 33520, 38065, 38548, 48185, 60904, 76130, 77096, 96370, 121808, 138689, 152260, 154192, 192740, 277378, 304520, 385480, 554756, 609040, 693445, 770960, 1109512, 1386890, 2219024, 2773780, 3189847, 5547560, 6379694, 11095120, 12759388, 15949235, 25518776, 31898470, 51037552, 63796940, 127593880, 255187760]

約数ペア:

[(1, 255187760), (2, 127593880), (4, 63796940), (5, 51037552), (8, 31898470), (10, 25518776), (16, 15949235), (20, 12759388), (23, 11095120), (40, 6379694), (46, 5547560), (80, 3189847), (92, 2773780), (115, 2219024), (184, 1386890), (230, 1109512), (331, 770960), (368, 693445), (419, 609040), (460, 554756), (662, 385480), (838, 304520), (920, 277378), (1324, 192740), (1655, 154192), (1676, 152260), (1840, 138689), (2095, 121808), (2648, 96370), (3310, 77096), (3352, 76130), (4190, 60904), (5296, 48185), (6620, 38548), (6704, 38065), (7613, 33520), (8380, 30452), (9637, 26480), (13240, 19274), (15226, 16760)]