16639440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 56246400

約数和(自身を除く): 39606960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 41, 48, 57, 60, 76, 80, 82, 89, 95, 114, 120, 123, 152, 164, 178, 190, 205, 228, 240, 246, 267, 285, 304, 328, 356, 380, 410, 445, 456, 492, 534, 570, 615, 656, 712, 760, 779, 820, 890, 912, 984, 1068, 1140, 1230, 1335, 1424, 1520, 1558, 1640, 1691, 1780, 1968, 2136, 2280, 2337, 2460, 2670, 3116, 3280, 3382, 3560, 3649, 3895, 4272, 4560, 4674, 4920, 5073, 5340, 6232, 6764, 7120, 7298, 7790, 8455, 9348, 9840, 10146, 10680, 10947, 11685, 12464, 13528, 14596, 15580, 16910, 18245, 18696, 20292, 21360, 21894, 23370, 25365, 27056, 29192, 31160, 33820, 36490, 37392, 40584, 43788, 46740, 50730, 54735, 58384, 62320, 67640, 69331, 72980, 81168, 87576, 93480, 101460, 109470, 135280, 138662, 145960, 175152, 186960, 202920, 207993, 218940, 277324, 291920, 346655, 405840, 415986, 437880, 554648, 693310, 831972, 875760, 1039965, 1109296, 1386620, 1663944, 2079930, 2773240, 3327888, 4159860, 5546480, 8319720, 16639440]

約数ペア:

[(1, 16639440), (2, 8319720), (3, 5546480), (4, 4159860), (5, 3327888), (6, 2773240), (8, 2079930), (10, 1663944), (12, 1386620), (15, 1109296), (16, 1039965), (19, 875760), (20, 831972), (24, 693310), (30, 554648), (38, 437880), (40, 415986), (41, 405840), (48, 346655), (57, 291920), (60, 277324), (76, 218940), (80, 207993), (82, 202920), (89, 186960), (95, 175152), (114, 145960), (120, 138662), (123, 135280), (152, 109470), (164, 101460), (178, 93480), (190, 87576), (205, 81168), (228, 72980), (240, 69331), (246, 67640), (267, 62320), (285, 58384), (304, 54735), (328, 50730), (356, 46740), (380, 43788), (410, 40584), (445, 37392), (456, 36490), (492, 33820), (534, 31160), (570, 29192), (615, 27056), (656, 25365), (712, 23370), (760, 21894), (779, 21360), (820, 20292), (890, 18696), (912, 18245), (984, 16910), (1068, 15580), (1140, 14596), (1230, 13528), (1335, 12464), (1424, 11685), (1520, 10947), (1558, 10680), (1640, 10146), (1691, 9840), (1780, 9348), (1968, 8455), (2136, 7790), (2280, 7298), (2337, 7120), (2460, 6764), (2670, 6232), (3116, 5340), (3280, 5073), (3382, 4920), (3560, 4674), (3649, 4560), (3895, 4272)]