66804760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 176774400

約数和(自身を除く): 109969640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 61, 76, 88, 95, 110, 122, 131, 152, 190, 209, 220, 244, 262, 305, 380, 418, 440, 488, 524, 610, 655, 671, 760, 836, 1045, 1048, 1159, 1220, 1310, 1342, 1441, 1672, 2090, 2318, 2440, 2489, 2620, 2684, 2882, 3355, 4180, 4636, 4978, 5240, 5368, 5764, 5795, 6710, 7205, 7991, 8360, 9272, 9956, 11528, 11590, 12445, 12749, 13420, 14410, 15982, 19912, 23180, 24890, 25498, 26840, 27379, 28820, 31964, 39955, 46360, 49780, 50996, 54758, 57640, 63745, 63928, 79910, 87901, 99560, 101992, 109516, 127490, 136895, 151829, 159820, 175802, 219032, 254980, 273790, 303658, 319640, 351604, 439505, 509960, 547580, 607316, 703208, 759145, 879010, 1095160, 1214632, 1518290, 1670119, 1758020, 3036580, 3340238, 3516040, 6073160, 6680476, 8350595, 13360952, 16701190, 33402380, 66804760]

約数ペア:

[(1, 66804760), (2, 33402380), (4, 16701190), (5, 13360952), (8, 8350595), (10, 6680476), (11, 6073160), (19, 3516040), (20, 3340238), (22, 3036580), (38, 1758020), (40, 1670119), (44, 1518290), (55, 1214632), (61, 1095160), (76, 879010), (88, 759145), (95, 703208), (110, 607316), (122, 547580), (131, 509960), (152, 439505), (190, 351604), (209, 319640), (220, 303658), (244, 273790), (262, 254980), (305, 219032), (380, 175802), (418, 159820), (440, 151829), (488, 136895), (524, 127490), (610, 109516), (655, 101992), (671, 99560), (760, 87901), (836, 79910), (1045, 63928), (1048, 63745), (1159, 57640), (1220, 54758), (1310, 50996), (1342, 49780), (1441, 46360), (1672, 39955), (2090, 31964), (2318, 28820), (2440, 27379), (2489, 26840), (2620, 25498), (2684, 24890), (2882, 23180), (3355, 19912), (4180, 15982), (4636, 14410), (4978, 13420), (5240, 12749), (5368, 12445), (5764, 11590), (5795, 11528), (6710, 9956), (7205, 9272), (7991, 8360)]