90640260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1610

約数の個数: 144

約数和(自身を含む): 306633600

約数和(自身を除く): 215993340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1559, 1615, 1710, 1938, 2907, 3060, 3118, 3230, 3420, 3876, 4677, 4845, 5814, 6236, 6460, 7795, 9354, 9690, 11628, 14031, 14535, 15590, 18708, 19380, 23385, 26503, 28062, 29070, 29621, 31180, 46770, 53006, 56124, 58140, 59242, 70155, 79509, 88863, 93540, 106012, 118484, 132515, 140310, 148105, 159018, 177726, 238527, 265030, 266589, 280620, 296210, 318036, 355452, 397545, 444315, 477054, 503557, 530060, 533178, 592420, 795090, 888630, 954108, 1007114, 1066356, 1192635, 1332945, 1510671, 1590180, 1777260, 2014228, 2385270, 2517785, 2665890, 3021342, 4532013, 4770540, 5035570, 5331780, 6042684, 7553355, 9064026, 10071140, 15106710, 18128052, 22660065, 30213420, 45320130, 90640260]

約数ペア:

[(1, 90640260), (2, 45320130), (3, 30213420), (4, 22660065), (5, 18128052), (6, 15106710), (9, 10071140), (10, 9064026), (12, 7553355), (15, 6042684), (17, 5331780), (18, 5035570), (19, 4770540), (20, 4532013), (30, 3021342), (34, 2665890), (36, 2517785), (38, 2385270), (45, 2014228), (51, 1777260), (57, 1590180), (60, 1510671), (68, 1332945), (76, 1192635), (85, 1066356), (90, 1007114), (95, 954108), (102, 888630), (114, 795090), (153, 592420), (170, 533178), (171, 530060), (180, 503557), (190, 477054), (204, 444315), (228, 397545), (255, 355452), (285, 318036), (306, 296210), (323, 280620), (340, 266589), (342, 265030), (380, 238527), (510, 177726), (570, 159018), (612, 148105), (646, 140310), (684, 132515), (765, 118484), (855, 106012), (969, 93540), (1020, 88863), (1140, 79509), (1292, 70155), (1530, 59242), (1559, 58140), (1615, 56124), (1710, 53006), (1938, 46770), (2907, 31180), (3060, 29621), (3118, 29070), (3230, 28062), (3420, 26503), (3876, 23385), (4677, 19380), (4845, 18708), (5814, 15590), (6236, 14535), (6460, 14031), (7795, 11628), (9354, 9690)]