8319720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 27216000

約数和(自身を除く): 18896280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 89, 95, 114, 120, 123, 152, 164, 178, 190, 205, 228, 246, 267, 285, 328, 356, 380, 410, 445, 456, 492, 534, 570, 615, 712, 760, 779, 820, 890, 984, 1068, 1140, 1230, 1335, 1558, 1640, 1691, 1780, 2136, 2280, 2337, 2460, 2670, 3116, 3382, 3560, 3649, 3895, 4674, 4920, 5073, 5340, 6232, 6764, 7298, 7790, 8455, 9348, 10146, 10680, 10947, 11685, 13528, 14596, 15580, 16910, 18245, 18696, 20292, 21894, 23370, 25365, 29192, 31160, 33820, 36490, 40584, 43788, 46740, 50730, 54735, 67640, 69331, 72980, 87576, 93480, 101460, 109470, 138662, 145960, 202920, 207993, 218940, 277324, 346655, 415986, 437880, 554648, 693310, 831972, 1039965, 1386620, 1663944, 2079930, 2773240, 4159860, 8319720]

約数ペア:

[(1, 8319720), (2, 4159860), (3, 2773240), (4, 2079930), (5, 1663944), (6, 1386620), (8, 1039965), (10, 831972), (12, 693310), (15, 554648), (19, 437880), (20, 415986), (24, 346655), (30, 277324), (38, 218940), (40, 207993), (41, 202920), (57, 145960), (60, 138662), (76, 109470), (82, 101460), (89, 93480), (95, 87576), (114, 72980), (120, 69331), (123, 67640), (152, 54735), (164, 50730), (178, 46740), (190, 43788), (205, 40584), (228, 36490), (246, 33820), (267, 31160), (285, 29192), (328, 25365), (356, 23370), (380, 21894), (410, 20292), (445, 18696), (456, 18245), (492, 16910), (534, 15580), (570, 14596), (615, 13528), (712, 11685), (760, 10947), (779, 10680), (820, 10146), (890, 9348), (984, 8455), (1068, 7790), (1140, 7298), (1230, 6764), (1335, 6232), (1558, 5340), (1640, 5073), (1691, 4920), (1780, 4674), (2136, 3895), (2280, 3649), (2337, 3560), (2460, 3382), (2670, 3116)]