78128190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 250698240

約数和(自身を除く): 172570050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 61, 63, 70, 90, 95, 105, 107, 114, 122, 126, 133, 171, 183, 190, 210, 214, 266, 285, 305, 315, 321, 342, 366, 399, 427, 535, 549, 570, 610, 630, 642, 665, 749, 798, 854, 855, 915, 963, 1070, 1098, 1159, 1197, 1281, 1330, 1498, 1605, 1710, 1830, 1926, 1995, 2033, 2135, 2247, 2318, 2394, 2562, 2745, 3210, 3477, 3745, 3843, 3990, 4066, 4270, 4494, 4815, 5490, 5795, 5985, 6099, 6405, 6527, 6741, 6954, 7490, 7686, 8113, 9630, 10165, 10431, 11235, 11590, 11970, 12198, 12810, 13054, 13482, 14231, 16226, 17385, 18297, 19215, 19581, 20330, 20862, 22470, 24339, 28462, 30495, 32635, 33705, 34770, 36594, 38430, 39162, 40565, 42693, 45689, 48678, 52155, 58743, 60990, 65270, 67410, 71155, 73017, 81130, 85386, 91378, 91485, 97905, 104310, 117486, 121695, 124013, 128079, 137067, 142310, 146034, 182970, 195810, 213465, 228445, 243390, 248026, 256158, 274134, 293715, 365085, 372039, 411201, 426930, 456890, 587430, 620065, 640395, 685335, 730170, 744078, 822402, 868091, 1116117, 1240130, 1280790, 1370670, 1736182, 1860195, 2056005, 2232234, 2604273, 3720390, 4112010, 4340455, 5208546, 5580585, 7812819, 8680910, 11161170, 13021365, 15625638, 26042730, 39064095, 78128190]

約数ペア:

[(1, 78128190), (2, 39064095), (3, 26042730), (5, 15625638), (6, 13021365), (7, 11161170), (9, 8680910), (10, 7812819), (14, 5580585), (15, 5208546), (18, 4340455), (19, 4112010), (21, 3720390), (30, 2604273), (35, 2232234), (38, 2056005), (42, 1860195), (45, 1736182), (57, 1370670), (61, 1280790), (63, 1240130), (70, 1116117), (90, 868091), (95, 822402), (105, 744078), (107, 730170), (114, 685335), (122, 640395), (126, 620065), (133, 587430), (171, 456890), (183, 426930), (190, 411201), (210, 372039), (214, 365085), (266, 293715), (285, 274134), (305, 256158), (315, 248026), (321, 243390), (342, 228445), (366, 213465), (399, 195810), (427, 182970), (535, 146034), (549, 142310), (570, 137067), (610, 128079), (630, 124013), (642, 121695), (665, 117486), (749, 104310), (798, 97905), (854, 91485), (855, 91378), (915, 85386), (963, 81130), (1070, 73017), (1098, 71155), (1159, 67410), (1197, 65270), (1281, 60990), (1330, 58743), (1498, 52155), (1605, 48678), (1710, 45689), (1830, 42693), (1926, 40565), (1995, 39162), (2033, 38430), (2135, 36594), (2247, 34770), (2318, 33705), (2394, 32635), (2562, 30495), (2745, 28462), (3210, 24339), (3477, 22470), (3745, 20862), (3843, 20330), (3990, 19581), (4066, 19215), (4270, 18297), (4494, 17385), (4815, 16226), (5490, 14231), (5795, 13482), (5985, 13054), (6099, 12810), (6405, 12198), (6527, 11970), (6741, 11590), (6954, 11235), (7490, 10431), (7686, 10165), (8113, 9630)]