15640920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1$

素因数の和:1929

約数の個数: 96

約数和(自身を含む): 53071200

約数和(自身を除く): 37430280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 1889, 2070, 2760, 3778, 4140, 5667, 7556, 8280, 9445, 11334, 15112, 17001, 18890, 22668, 28335, 34002, 37780, 43447, 45336, 56670, 68004, 75560, 85005, 86894, 113340, 130341, 136008, 170010, 173788, 217235, 226680, 260682, 340020, 347576, 391023, 434470, 521364, 651705, 680040, 782046, 868940, 1042728, 1303410, 1564092, 1737880, 1955115, 2606820, 3128184, 3910230, 5213640, 7820460, 15640920]

約数ペア:

[(1, 15640920), (2, 7820460), (3, 5213640), (4, 3910230), (5, 3128184), (6, 2606820), (8, 1955115), (9, 1737880), (10, 1564092), (12, 1303410), (15, 1042728), (18, 868940), (20, 782046), (23, 680040), (24, 651705), (30, 521364), (36, 434470), (40, 391023), (45, 347576), (46, 340020), (60, 260682), (69, 226680), (72, 217235), (90, 173788), (92, 170010), (115, 136008), (120, 130341), (138, 113340), (180, 86894), (184, 85005), (207, 75560), (230, 68004), (276, 56670), (345, 45336), (360, 43447), (414, 37780), (460, 34002), (552, 28335), (690, 22668), (828, 18890), (920, 17001), (1035, 15112), (1380, 11334), (1656, 9445), (1889, 8280), (2070, 7556), (2760, 5667), (3778, 4140)]