28112040

素因数分解:

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

素因数の和:288

約数の個数: 192

約数和(自身を含む): 103334400

約数和(自身を除く): 75222360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 229, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 458, 465, 495, 558, 620, 660, 682, 687, 744, 792, 916, 930, 990, 1023, 1116, 1145, 1240, 1320, 1364, 1374, 1395, 1705, 1832, 1860, 1980, 2046, 2061, 2232, 2290, 2519, 2728, 2748, 2790, 3069, 3410, 3435, 3720, 3960, 4092, 4122, 4580, 5038, 5115, 5496, 5580, 6138, 6820, 6870, 7099, 7557, 8184, 8244, 9160, 10076, 10230, 10305, 11160, 12276, 12595, 13640, 13740, 14198, 15114, 15345, 16488, 20152, 20460, 20610, 21297, 22671, 24552, 25190, 27480, 28396, 30228, 30690, 35495, 37785, 40920, 41220, 42594, 45342, 50380, 56792, 60456, 61380, 63891, 70990, 75570, 78089, 82440, 85188, 90684, 100760, 106485, 113355, 122760, 127782, 141980, 151140, 156178, 170376, 181368, 212970, 226710, 234267, 255564, 283960, 302280, 312356, 319455, 390445, 425940, 453420, 468534, 511128, 624712, 638910, 702801, 780890, 851880, 906840, 937068, 1171335, 1277820, 1405602, 1561780, 1874136, 2342670, 2555640, 2811204, 3123560, 3514005, 4685340, 5622408, 7028010, 9370680, 14056020, 28112040]

約数ペア:

[(1, 28112040), (2, 14056020), (3, 9370680), (4, 7028010), (5, 5622408), (6, 4685340), (8, 3514005), (9, 3123560), (10, 2811204), (11, 2555640), (12, 2342670), (15, 1874136), (18, 1561780), (20, 1405602), (22, 1277820), (24, 1171335), (30, 937068), (31, 906840), (33, 851880), (36, 780890), (40, 702801), (44, 638910), (45, 624712), (55, 511128), (60, 468534), (62, 453420), (66, 425940), (72, 390445), (88, 319455), (90, 312356), (93, 302280), (99, 283960), (110, 255564), (120, 234267), (124, 226710), (132, 212970), (155, 181368), (165, 170376), (180, 156178), (186, 151140), (198, 141980), (220, 127782), (229, 122760), (248, 113355), (264, 106485), (279, 100760), (310, 90684), (330, 85188), (341, 82440), (360, 78089), (372, 75570), (396, 70990), (440, 63891), (458, 61380), (465, 60456), (495, 56792), (558, 50380), (620, 45342), (660, 42594), (682, 41220), (687, 40920), (744, 37785), (792, 35495), (916, 30690), (930, 30228), (990, 28396), (1023, 27480), (1116, 25190), (1145, 24552), (1240, 22671), (1320, 21297), (1364, 20610), (1374, 20460), (1395, 20152), (1705, 16488), (1832, 15345), (1860, 15114), (1980, 14198), (2046, 13740), (2061, 13640), (2232, 12595), (2290, 12276), (2519, 11160), (2728, 10305), (2748, 10230), (2790, 10076), (3069, 9160), (3410, 8244), (3435, 8184), (3720, 7557), (3960, 7099), (4092, 6870), (4122, 6820), (4580, 6138), (5038, 5580), (5115, 5496)]