279335340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81677}}^1$

素因数の和:81711

約数の個数: 72

約数和(自身を含む): 891923760

約数和(自身を除く): 612588420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 81677, 163354, 245031, 326708, 408385, 490062, 735093, 816770, 980124, 1225155, 1470186, 1551863, 1633540, 2450310, 2940372, 3103726, 3675465, 4655589, 4900620, 6207452, 7350930, 7759315, 9311178, 13966767, 14701860, 15518630, 18622356, 23277945, 27933534, 31037260, 46555890, 55867068, 69833835, 93111780, 139667670, 279335340]

約数ペア:

[(1, 279335340), (2, 139667670), (3, 93111780), (4, 69833835), (5, 55867068), (6, 46555890), (9, 31037260), (10, 27933534), (12, 23277945), (15, 18622356), (18, 15518630), (19, 14701860), (20, 13966767), (30, 9311178), (36, 7759315), (38, 7350930), (45, 6207452), (57, 4900620), (60, 4655589), (76, 3675465), (90, 3103726), (95, 2940372), (114, 2450310), (171, 1633540), (180, 1551863), (190, 1470186), (228, 1225155), (285, 980124), (342, 816770), (380, 735093), (570, 490062), (684, 408385), (855, 326708), (1140, 245031), (1710, 163354), (3420, 81677)]