66380080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 168426720

約数和(自身を除く): 102046640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 260, 332, 415, 520, 664, 769, 830, 1040, 1079, 1328, 1538, 1660, 2158, 3076, 3320, 3845, 4316, 5395, 6152, 6640, 7690, 8632, 9997, 10790, 12304, 15380, 17264, 19994, 21580, 30760, 39988, 43160, 49985, 61520, 63827, 79976, 86320, 99970, 127654, 159952, 199940, 255308, 319135, 399880, 510616, 638270, 799760, 829751, 1021232, 1276540, 1659502, 2553080, 3319004, 4148755, 5106160, 6638008, 8297510, 13276016, 16595020, 33190040, 66380080]

約数ペア:

[(1, 66380080), (2, 33190040), (4, 16595020), (5, 13276016), (8, 8297510), (10, 6638008), (13, 5106160), (16, 4148755), (20, 3319004), (26, 2553080), (40, 1659502), (52, 1276540), (65, 1021232), (80, 829751), (83, 799760), (104, 638270), (130, 510616), (166, 399880), (208, 319135), (260, 255308), (332, 199940), (415, 159952), (520, 127654), (664, 99970), (769, 86320), (830, 79976), (1040, 63827), (1079, 61520), (1328, 49985), (1538, 43160), (1660, 39988), (2158, 30760), (3076, 21580), (3320, 19994), (3845, 17264), (4316, 15380), (5395, 12304), (6152, 10790), (6640, 9997), (7690, 8632)]