181111440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 581212800

約数和(自身を除く): 400101360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 89, 120, 122, 139, 178, 183, 240, 244, 267, 278, 305, 356, 366, 417, 445, 488, 534, 556, 610, 695, 712, 732, 834, 890, 915, 976, 1068, 1112, 1220, 1335, 1390, 1424, 1464, 1668, 1780, 1830, 2085, 2136, 2224, 2440, 2670, 2780, 2928, 3336, 3560, 3660, 4170, 4272, 4880, 5340, 5429, 5560, 6672, 7120, 7320, 8340, 8479, 10680, 10858, 11120, 12371, 14640, 16287, 16680, 16958, 21360, 21716, 24742, 25437, 27145, 32574, 33360, 33916, 37113, 42395, 43432, 49484, 50874, 54290, 61855, 65148, 67832, 74226, 81435, 84790, 86864, 98968, 101748, 108580, 123710, 127185, 130296, 135664, 148452, 162870, 169580, 185565, 197936, 203496, 217160, 247420, 254370, 260592, 296904, 325740, 339160, 371130, 406992, 434320, 494840, 508740, 593808, 651480, 678320, 742260, 754631, 989680, 1017480, 1302960, 1484520, 1509262, 2034960, 2263893, 2969040, 3018524, 3773155, 4527786, 6037048, 7546310, 9055572, 11319465, 12074096, 15092620, 18111144, 22638930, 30185240, 36222288, 45277860, 60370480, 90555720, 181111440]

約数ペア:

[(1, 181111440), (2, 90555720), (3, 60370480), (4, 45277860), (5, 36222288), (6, 30185240), (8, 22638930), (10, 18111144), (12, 15092620), (15, 12074096), (16, 11319465), (20, 9055572), (24, 7546310), (30, 6037048), (40, 4527786), (48, 3773155), (60, 3018524), (61, 2969040), (80, 2263893), (89, 2034960), (120, 1509262), (122, 1484520), (139, 1302960), (178, 1017480), (183, 989680), (240, 754631), (244, 742260), (267, 678320), (278, 651480), (305, 593808), (356, 508740), (366, 494840), (417, 434320), (445, 406992), (488, 371130), (534, 339160), (556, 325740), (610, 296904), (695, 260592), (712, 254370), (732, 247420), (834, 217160), (890, 203496), (915, 197936), (976, 185565), (1068, 169580), (1112, 162870), (1220, 148452), (1335, 135664), (1390, 130296), (1424, 127185), (1464, 123710), (1668, 108580), (1780, 101748), (1830, 98968), (2085, 86864), (2136, 84790), (2224, 81435), (2440, 74226), (2670, 67832), (2780, 65148), (2928, 61855), (3336, 54290), (3560, 50874), (3660, 49484), (4170, 43432), (4272, 42395), (4880, 37113), (5340, 33916), (5429, 33360), (5560, 32574), (6672, 27145), (7120, 25437), (7320, 24742), (8340, 21716), (8479, 21360), (10680, 16958), (10858, 16680), (11120, 16287), (12371, 14640)]