654414720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17939}}^1$

素因数の和:17980

約数の個数: 128

約数和(自身を含む): 2195856000

約数和(自身を除く): 1541441280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 4560, 6080, 7296, 9120, 12160, 17939, 18240, 35878, 36480, 53817, 71756, 89695, 107634, 143512, 179390, 215268, 269085, 287024, 340841, 358780, 430536, 538170, 574048, 681682, 717560, 861072, 1022523, 1076340, 1148096, 1363364, 1435120, 1704205, 1722144, 2045046, 2152680, 2296192, 2726728, 2870240, 3408410, 3444288, 4090092, 4305360, 5112615, 5453456, 5740480, 6816820, 6888576, 8180184, 8610720, 10225230, 10906912, 11480960, 13633640, 16360368, 17221440, 20450460, 21813824, 27267280, 32720736, 34442880, 40900920, 43627648, 54534560, 65441472, 81801840, 109069120, 130882944, 163603680, 218138240, 327207360, 654414720]

約数ペア:

[(1, 654414720), (2, 327207360), (3, 218138240), (4, 163603680), (5, 130882944), (6, 109069120), (8, 81801840), (10, 65441472), (12, 54534560), (15, 43627648), (16, 40900920), (19, 34442880), (20, 32720736), (24, 27267280), (30, 21813824), (32, 20450460), (38, 17221440), (40, 16360368), (48, 13633640), (57, 11480960), (60, 10906912), (64, 10225230), (76, 8610720), (80, 8180184), (95, 6888576), (96, 6816820), (114, 5740480), (120, 5453456), (128, 5112615), (152, 4305360), (160, 4090092), (190, 3444288), (192, 3408410), (228, 2870240), (240, 2726728), (285, 2296192), (304, 2152680), (320, 2045046), (380, 1722144), (384, 1704205), (456, 1435120), (480, 1363364), (570, 1148096), (608, 1076340), (640, 1022523), (760, 861072), (912, 717560), (960, 681682), (1140, 574048), (1216, 538170), (1520, 430536), (1824, 358780), (1920, 340841), (2280, 287024), (2432, 269085), (3040, 215268), (3648, 179390), (4560, 143512), (6080, 107634), (7296, 89695), (9120, 71756), (12160, 53817), (17939, 36480), (18240, 35878)]