64581990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 179159040

約数和(自身を除く): 114577050

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 59, 62, 66, 93, 107, 110, 118, 155, 165, 177, 186, 214, 295, 310, 321, 330, 341, 354, 465, 535, 590, 642, 649, 682, 885, 930, 1023, 1070, 1177, 1298, 1605, 1705, 1770, 1829, 1947, 2046, 2354, 3210, 3245, 3317, 3410, 3531, 3658, 3894, 5115, 5487, 5885, 6313, 6490, 6634, 7062, 9145, 9735, 9951, 10230, 10974, 11770, 12626, 16585, 17655, 18290, 18939, 19470, 19902, 20119, 27435, 31565, 33170, 35310, 36487, 37878, 40238, 49755, 54870, 60357, 63130, 69443, 72974, 94695, 99510, 100595, 109461, 120714, 138886, 182435, 189390, 195703, 201190, 208329, 218922, 301785, 347215, 364870, 391406, 416658, 547305, 587109, 603570, 694430, 978515, 1041645, 1094610, 1174218, 1957030, 2083290, 2152733, 2935545, 4305466, 5871090, 6458199, 10763665, 12916398, 21527330, 32290995, 64581990]

約数ペア:

[(1, 64581990), (2, 32290995), (3, 21527330), (5, 12916398), (6, 10763665), (10, 6458199), (11, 5871090), (15, 4305466), (22, 2935545), (30, 2152733), (31, 2083290), (33, 1957030), (55, 1174218), (59, 1094610), (62, 1041645), (66, 978515), (93, 694430), (107, 603570), (110, 587109), (118, 547305), (155, 416658), (165, 391406), (177, 364870), (186, 347215), (214, 301785), (295, 218922), (310, 208329), (321, 201190), (330, 195703), (341, 189390), (354, 182435), (465, 138886), (535, 120714), (590, 109461), (642, 100595), (649, 99510), (682, 94695), (885, 72974), (930, 69443), (1023, 63130), (1070, 60357), (1177, 54870), (1298, 49755), (1605, 40238), (1705, 37878), (1770, 36487), (1829, 35310), (1947, 33170), (2046, 31565), (2354, 27435), (3210, 20119), (3245, 19902), (3317, 19470), (3410, 18939), (3531, 18290), (3658, 17655), (3894, 16585), (5115, 12626), (5487, 11770), (5885, 10974), (6313, 10230), (6490, 9951), (6634, 9735), (7062, 9145)]