18741360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 65710080

約数和(自身を除く): 46968720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 229, 240, 248, 264, 310, 330, 341, 372, 440, 458, 465, 496, 528, 620, 660, 682, 687, 744, 880, 916, 930, 1023, 1145, 1240, 1320, 1364, 1374, 1488, 1705, 1832, 1860, 2046, 2290, 2480, 2519, 2640, 2728, 2748, 3410, 3435, 3664, 3720, 4092, 4580, 5038, 5115, 5456, 5496, 6820, 6870, 7099, 7440, 7557, 8184, 9160, 10076, 10230, 10992, 12595, 13640, 13740, 14198, 15114, 16368, 18320, 20152, 20460, 21297, 25190, 27280, 27480, 28396, 30228, 35495, 37785, 40304, 40920, 42594, 50380, 54960, 56792, 60456, 70990, 75570, 78089, 81840, 85188, 100760, 106485, 113584, 120912, 141980, 151140, 156178, 170376, 201520, 212970, 234267, 283960, 302280, 312356, 340752, 390445, 425940, 468534, 567920, 604560, 624712, 780890, 851880, 937068, 1171335, 1249424, 1561780, 1703760, 1874136, 2342670, 3123560, 3748272, 4685340, 6247120, 9370680, 18741360]

約数ペア:

[(1, 18741360), (2, 9370680), (3, 6247120), (4, 4685340), (5, 3748272), (6, 3123560), (8, 2342670), (10, 1874136), (11, 1703760), (12, 1561780), (15, 1249424), (16, 1171335), (20, 937068), (22, 851880), (24, 780890), (30, 624712), (31, 604560), (33, 567920), (40, 468534), (44, 425940), (48, 390445), (55, 340752), (60, 312356), (62, 302280), (66, 283960), (80, 234267), (88, 212970), (93, 201520), (110, 170376), (120, 156178), (124, 151140), (132, 141980), (155, 120912), (165, 113584), (176, 106485), (186, 100760), (220, 85188), (229, 81840), (240, 78089), (248, 75570), (264, 70990), (310, 60456), (330, 56792), (341, 54960), (372, 50380), (440, 42594), (458, 40920), (465, 40304), (496, 37785), (528, 35495), (620, 30228), (660, 28396), (682, 27480), (687, 27280), (744, 25190), (880, 21297), (916, 20460), (930, 20152), (1023, 18320), (1145, 16368), (1240, 15114), (1320, 14198), (1364, 13740), (1374, 13640), (1488, 12595), (1705, 10992), (1832, 10230), (1860, 10076), (2046, 9160), (2290, 8184), (2480, 7557), (2519, 7440), (2640, 7099), (2728, 6870), (2748, 6820), (3410, 5496), (3435, 5456), (3664, 5115), (3720, 5038), (4092, 4580)]