87987480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 256

約数和(自身を含む): 328320000

約数和(自身を除く): 240332520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 37, 38, 40, 42, 56, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 120, 133, 140, 148, 149, 152, 168, 185, 190, 210, 222, 228, 259, 266, 280, 285, 296, 298, 370, 380, 399, 420, 444, 447, 456, 518, 532, 555, 570, 596, 665, 703, 740, 745, 760, 777, 798, 840, 888, 894, 1036, 1043, 1064, 1110, 1140, 1192, 1295, 1330, 1406, 1480, 1490, 1554, 1596, 1788, 1995, 2072, 2086, 2109, 2220, 2235, 2280, 2590, 2660, 2812, 2831, 2980, 3108, 3129, 3192, 3515, 3576, 3885, 3990, 4172, 4218, 4440, 4470, 4921, 5180, 5215, 5320, 5513, 5624, 5662, 5960, 6216, 6258, 7030, 7770, 7980, 8344, 8436, 8493, 8940, 9842, 10360, 10430, 10545, 11026, 11324, 12516, 14060, 14155, 14763, 15540, 15645, 15960, 16539, 16872, 16986, 17880, 19684, 19817, 20860, 21090, 22052, 22648, 24605, 25032, 27565, 28120, 28310, 29526, 31080, 31290, 33078, 33972, 38591, 39368, 39634, 41720, 42180, 42465, 44104, 49210, 55130, 56620, 59052, 59451, 62580, 66156, 67944, 73815, 77182, 79268, 82695, 84360, 84930, 98420, 99085, 104747, 110260, 113240, 115773, 118104, 118902, 125160, 132312, 147630, 154364, 158536, 165390, 169860, 192955, 196840, 198170, 209494, 220520, 231546, 237804, 295260, 297255, 308728, 314241, 330780, 339720, 385910, 396340, 418988, 463092, 475608, 523735, 578865, 590520, 594510, 628482, 661560, 733229, 771820, 792680, 837976, 926184, 1047470, 1157730, 1189020, 1256964, 1466458, 1543640, 1571205, 2094940, 2199687, 2315460, 2378040, 2513928, 2932916, 3142410, 3666145, 4189880, 4399374, 4630920, 5865832, 6284820, 7332290, 8798748, 10998435, 12569640, 14664580, 17597496, 21996870, 29329160, 43993740, 87987480]

約数ペア:

[(1, 87987480), (2, 43993740), (3, 29329160), (4, 21996870), (5, 17597496), (6, 14664580), (7, 12569640), (8, 10998435), (10, 8798748), (12, 7332290), (14, 6284820), (15, 5865832), (19, 4630920), (20, 4399374), (21, 4189880), (24, 3666145), (28, 3142410), (30, 2932916), (35, 2513928), (37, 2378040), (38, 2315460), (40, 2199687), (42, 2094940), (56, 1571205), (57, 1543640), (60, 1466458), (70, 1256964), (74, 1189020), (76, 1157730), (84, 1047470), (95, 926184), (105, 837976), (111, 792680), (114, 771820), (120, 733229), (133, 661560), (140, 628482), (148, 594510), (149, 590520), (152, 578865), (168, 523735), (185, 475608), (190, 463092), (210, 418988), (222, 396340), (228, 385910), (259, 339720), (266, 330780), (280, 314241), (285, 308728), (296, 297255), (298, 295260), (370, 237804), (380, 231546), (399, 220520), (420, 209494), (444, 198170), (447, 196840), (456, 192955), (518, 169860), (532, 165390), (555, 158536), (570, 154364), (596, 147630), (665, 132312), (703, 125160), (740, 118902), (745, 118104), (760, 115773), (777, 113240), (798, 110260), (840, 104747), (888, 99085), (894, 98420), (1036, 84930), (1043, 84360), (1064, 82695), (1110, 79268), (1140, 77182), (1192, 73815), (1295, 67944), (1330, 66156), (1406, 62580), (1480, 59451), (1490, 59052), (1554, 56620), (1596, 55130), (1788, 49210), (1995, 44104), (2072, 42465), (2086, 42180), (2109, 41720), (2220, 39634), (2235, 39368), (2280, 38591), (2590, 33972), (2660, 33078), (2812, 31290), (2831, 31080), (2980, 29526), (3108, 28310), (3129, 28120), (3192, 27565), (3515, 25032), (3576, 24605), (3885, 22648), (3990, 22052), (4172, 21090), (4218, 20860), (4440, 19817), (4470, 19684), (4921, 17880), (5180, 16986), (5215, 16872), (5320, 16539), (5513, 15960), (5624, 15645), (5662, 15540), (5960, 14763), (6216, 14155), (6258, 14060), (7030, 12516), (7770, 11324), (7980, 11026), (8344, 10545), (8436, 10430), (8493, 10360), (8940, 9842)]