87827960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 228925440

約数和(自身を除く): 141097480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 47, 55, 62, 88, 94, 110, 124, 137, 155, 188, 220, 235, 248, 274, 310, 341, 376, 440, 470, 517, 548, 620, 682, 685, 940, 1034, 1096, 1240, 1364, 1370, 1457, 1507, 1705, 1880, 2068, 2585, 2728, 2740, 2914, 3014, 3410, 4136, 4247, 5170, 5480, 5828, 6028, 6439, 6820, 7285, 7535, 8494, 10340, 11656, 12056, 12878, 13640, 14570, 15070, 16027, 16988, 20680, 21235, 25756, 29140, 30140, 32054, 32195, 33976, 42470, 46717, 51512, 58280, 60280, 64108, 64390, 70829, 80135, 84940, 93434, 128216, 128780, 141658, 160270, 169880, 186868, 199609, 233585, 257560, 283316, 320540, 354145, 373736, 399218, 467170, 566632, 641080, 708290, 798436, 934340, 998045, 1416580, 1596872, 1868680, 1996090, 2195699, 2833160, 3992180, 4391398, 7984360, 8782796, 10978495, 17565592, 21956990, 43913980, 87827960]

約数ペア:

[(1, 87827960), (2, 43913980), (4, 21956990), (5, 17565592), (8, 10978495), (10, 8782796), (11, 7984360), (20, 4391398), (22, 3992180), (31, 2833160), (40, 2195699), (44, 1996090), (47, 1868680), (55, 1596872), (62, 1416580), (88, 998045), (94, 934340), (110, 798436), (124, 708290), (137, 641080), (155, 566632), (188, 467170), (220, 399218), (235, 373736), (248, 354145), (274, 320540), (310, 283316), (341, 257560), (376, 233585), (440, 199609), (470, 186868), (517, 169880), (548, 160270), (620, 141658), (682, 128780), (685, 128216), (940, 93434), (1034, 84940), (1096, 80135), (1240, 70829), (1364, 64390), (1370, 64108), (1457, 60280), (1507, 58280), (1705, 51512), (1880, 46717), (2068, 42470), (2585, 33976), (2728, 32195), (2740, 32054), (2914, 30140), (3014, 29140), (3410, 25756), (4136, 21235), (4247, 20680), (5170, 16988), (5480, 16027), (5828, 15070), (6028, 14570), (6439, 13640), (6820, 12878), (7285, 12056), (7535, 11656), (8494, 10340)]