51680340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16889}}^1$

素因数の和:16921

約数の個数: 72

約数和(自身を含む): 165994920

約数和(自身を除く): 114314580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 16889, 33778, 50667, 67556, 84445, 101334, 152001, 168890, 202668, 253335, 287113, 304002, 337780, 506670, 574226, 608004, 760005, 861339, 1013340, 1148452, 1435565, 1520010, 1722678, 2584017, 2871130, 3040020, 3445356, 4306695, 5168034, 5742260, 8613390, 10336068, 12920085, 17226780, 25840170, 51680340]

約数ペア:

[(1, 51680340), (2, 25840170), (3, 17226780), (4, 12920085), (5, 10336068), (6, 8613390), (9, 5742260), (10, 5168034), (12, 4306695), (15, 3445356), (17, 3040020), (18, 2871130), (20, 2584017), (30, 1722678), (34, 1520010), (36, 1435565), (45, 1148452), (51, 1013340), (60, 861339), (68, 760005), (85, 608004), (90, 574226), (102, 506670), (153, 337780), (170, 304002), (180, 287113), (204, 253335), (255, 202668), (306, 168890), (340, 152001), (510, 101334), (612, 84445), (765, 67556), (1020, 50667), (1530, 33778), (3060, 16889)]