12146320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 30444480

約数和(自身を除く): 18298160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 131, 152, 190, 244, 262, 304, 305, 380, 488, 524, 610, 655, 760, 976, 1048, 1159, 1220, 1310, 1520, 2096, 2318, 2440, 2489, 2620, 4636, 4880, 4978, 5240, 5795, 7991, 9272, 9956, 10480, 11590, 12445, 15982, 18544, 19912, 23180, 24890, 31964, 39824, 39955, 46360, 49780, 63928, 79910, 92720, 99560, 127856, 151829, 159820, 199120, 303658, 319640, 607316, 639280, 759145, 1214632, 1518290, 2429264, 3036580, 6073160, 12146320]

約数ペア:

[(1, 12146320), (2, 6073160), (4, 3036580), (5, 2429264), (8, 1518290), (10, 1214632), (16, 759145), (19, 639280), (20, 607316), (38, 319640), (40, 303658), (61, 199120), (76, 159820), (80, 151829), (95, 127856), (122, 99560), (131, 92720), (152, 79910), (190, 63928), (244, 49780), (262, 46360), (304, 39955), (305, 39824), (380, 31964), (488, 24890), (524, 23180), (610, 19912), (655, 18544), (760, 15982), (976, 12445), (1048, 11590), (1159, 10480), (1220, 9956), (1310, 9272), (1520, 7991), (2096, 5795), (2318, 5240), (2440, 4978), (2489, 4880), (2620, 4636)]