128563160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 332424000

約数和(自身を除く): 203860840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 53, 55, 74, 88, 106, 110, 148, 149, 185, 212, 220, 265, 296, 298, 370, 407, 424, 440, 530, 583, 596, 740, 745, 814, 1060, 1166, 1192, 1480, 1490, 1628, 1639, 1961, 2035, 2120, 2332, 2915, 2980, 3256, 3278, 3922, 4070, 4664, 5513, 5830, 5960, 6556, 7844, 7897, 8140, 8195, 9805, 11026, 11660, 13112, 15688, 15794, 16280, 16390, 19610, 21571, 22052, 23320, 27565, 31588, 32780, 39220, 39485, 43142, 44104, 55130, 60643, 63176, 65560, 78440, 78970, 86284, 86867, 107855, 110260, 121286, 157940, 172568, 173734, 215710, 220520, 242572, 292189, 303215, 315880, 347468, 431420, 434335, 485144, 584378, 606430, 694936, 862840, 868670, 1168756, 1212860, 1460945, 1737340, 2337512, 2425720, 2921890, 3214079, 3474680, 5843780, 6428158, 11687560, 12856316, 16070395, 25712632, 32140790, 64281580, 128563160]

約数ペア:

[(1, 128563160), (2, 64281580), (4, 32140790), (5, 25712632), (8, 16070395), (10, 12856316), (11, 11687560), (20, 6428158), (22, 5843780), (37, 3474680), (40, 3214079), (44, 2921890), (53, 2425720), (55, 2337512), (74, 1737340), (88, 1460945), (106, 1212860), (110, 1168756), (148, 868670), (149, 862840), (185, 694936), (212, 606430), (220, 584378), (265, 485144), (296, 434335), (298, 431420), (370, 347468), (407, 315880), (424, 303215), (440, 292189), (530, 242572), (583, 220520), (596, 215710), (740, 173734), (745, 172568), (814, 157940), (1060, 121286), (1166, 110260), (1192, 107855), (1480, 86867), (1490, 86284), (1628, 78970), (1639, 78440), (1961, 65560), (2035, 63176), (2120, 60643), (2332, 55130), (2915, 44104), (2980, 43142), (3256, 39485), (3278, 39220), (3922, 32780), (4070, 31588), (4664, 27565), (5513, 23320), (5830, 22052), (5960, 21571), (6556, 19610), (7844, 16390), (7897, 16280), (8140, 15794), (8195, 15688), (9805, 13112), (11026, 11660)]