28296180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 96864768

約数和(自身を除く): 68568588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 461, 465, 495, 558, 620, 660, 682, 922, 930, 990, 1023, 1116, 1364, 1383, 1395, 1705, 1844, 1860, 1980, 2046, 2305, 2766, 2790, 3069, 3410, 4092, 4149, 4610, 5071, 5115, 5532, 5580, 6138, 6820, 6915, 8298, 9220, 10142, 10230, 12276, 13830, 14291, 15213, 15345, 16596, 20284, 20460, 20745, 25355, 27660, 28582, 30426, 30690, 41490, 42873, 45639, 50710, 57164, 60852, 61380, 71455, 76065, 82980, 85746, 91278, 101420, 128619, 142910, 152130, 157201, 171492, 182556, 214365, 228195, 257238, 285820, 304260, 314402, 428730, 456390, 471603, 514476, 628804, 643095, 786005, 857460, 912780, 943206, 1286190, 1414809, 1572010, 1886412, 2358015, 2572380, 2829618, 3144020, 4716030, 5659236, 7074045, 9432060, 14148090, 28296180]

約数ペア:

[(1, 28296180), (2, 14148090), (3, 9432060), (4, 7074045), (5, 5659236), (6, 4716030), (9, 3144020), (10, 2829618), (11, 2572380), (12, 2358015), (15, 1886412), (18, 1572010), (20, 1414809), (22, 1286190), (30, 943206), (31, 912780), (33, 857460), (36, 786005), (44, 643095), (45, 628804), (55, 514476), (60, 471603), (62, 456390), (66, 428730), (90, 314402), (93, 304260), (99, 285820), (110, 257238), (124, 228195), (132, 214365), (155, 182556), (165, 171492), (180, 157201), (186, 152130), (198, 142910), (220, 128619), (279, 101420), (310, 91278), (330, 85746), (341, 82980), (372, 76065), (396, 71455), (461, 61380), (465, 60852), (495, 57164), (558, 50710), (620, 45639), (660, 42873), (682, 41490), (922, 30690), (930, 30426), (990, 28582), (1023, 27660), (1116, 25355), (1364, 20745), (1383, 20460), (1395, 20284), (1705, 16596), (1844, 15345), (1860, 15213), (1980, 14291), (2046, 13830), (2305, 12276), (2766, 10230), (2790, 10142), (3069, 9220), (3410, 8298), (4092, 6915), (4149, 6820), (4610, 6138), (5071, 5580), (5115, 5532)]