40387920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 160

約数和(自身を含む): 139812480

約数和(自身を除く): 99424560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 521, 570, 646, 680, 760, 816, 912, 969, 1020, 1042, 1140, 1292, 1360, 1520, 1563, 1615, 1938, 2040, 2084, 2280, 2584, 2605, 3126, 3230, 3876, 4080, 4168, 4560, 4845, 5168, 5210, 6252, 6460, 7752, 7815, 8336, 8857, 9690, 9899, 10420, 12504, 12920, 15504, 15630, 17714, 19380, 19798, 20840, 25008, 25840, 26571, 29697, 31260, 35428, 38760, 39596, 41680, 44285, 49495, 53142, 59394, 62520, 70856, 77520, 79192, 88570, 98990, 106284, 118788, 125040, 132855, 141712, 148485, 158384, 168283, 177140, 197980, 212568, 237576, 265710, 296970, 336566, 354280, 395960, 425136, 475152, 504849, 531420, 593940, 673132, 708560, 791920, 841415, 1009698, 1062840, 1187880, 1346264, 1682830, 2019396, 2125680, 2375760, 2524245, 2692528, 3365660, 4038792, 5048490, 6731320, 8077584, 10096980, 13462640, 20193960, 40387920]

約数ペア:

[(1, 40387920), (2, 20193960), (3, 13462640), (4, 10096980), (5, 8077584), (6, 6731320), (8, 5048490), (10, 4038792), (12, 3365660), (15, 2692528), (16, 2524245), (17, 2375760), (19, 2125680), (20, 2019396), (24, 1682830), (30, 1346264), (34, 1187880), (38, 1062840), (40, 1009698), (48, 841415), (51, 791920), (57, 708560), (60, 673132), (68, 593940), (76, 531420), (80, 504849), (85, 475152), (95, 425136), (102, 395960), (114, 354280), (120, 336566), (136, 296970), (152, 265710), (170, 237576), (190, 212568), (204, 197980), (228, 177140), (240, 168283), (255, 158384), (272, 148485), (285, 141712), (304, 132855), (323, 125040), (340, 118788), (380, 106284), (408, 98990), (456, 88570), (510, 79192), (521, 77520), (570, 70856), (646, 62520), (680, 59394), (760, 53142), (816, 49495), (912, 44285), (969, 41680), (1020, 39596), (1042, 38760), (1140, 35428), (1292, 31260), (1360, 29697), (1520, 26571), (1563, 25840), (1615, 25008), (1938, 20840), (2040, 19798), (2084, 19380), (2280, 17714), (2584, 15630), (2605, 15504), (3126, 12920), (3230, 12504), (3876, 10420), (4080, 9899), (4168, 9690), (4560, 8857), (4845, 8336), (5168, 7815), (5210, 7752), (6252, 6460)]