280454640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^2$

素因数の和:156

約数の個数: 180

約数和(自身を含む): 928602024

約数和(自身を除く): 648147384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 47, 48, 60, 69, 80, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 240, 276, 282, 345, 368, 376, 460, 470, 529, 552, 564, 690, 705, 752, 920, 940, 1058, 1081, 1104, 1128, 1380, 1410, 1587, 1840, 1880, 2116, 2162, 2209, 2256, 2645, 2760, 2820, 3174, 3243, 3760, 4232, 4324, 4418, 5290, 5405, 5520, 5640, 6348, 6486, 6627, 7935, 8464, 8648, 8836, 10580, 10810, 11045, 11280, 12696, 12972, 13254, 15870, 16215, 17296, 17672, 21160, 21620, 22090, 24863, 25392, 25944, 26508, 31740, 32430, 33135, 35344, 42320, 43240, 44180, 49726, 50807, 51888, 53016, 63480, 64860, 66270, 74589, 86480, 88360, 99452, 101614, 106032, 124315, 126960, 129720, 132540, 149178, 152421, 176720, 198904, 203228, 248630, 254035, 259440, 265080, 298356, 304842, 372945, 397808, 406456, 497260, 508070, 530160, 596712, 609684, 745890, 762105, 812912, 994520, 1016140, 1168561, 1193424, 1219368, 1491780, 1524210, 1989040, 2032280, 2337122, 2438736, 2983560, 3048420, 3505683, 4064560, 4674244, 5842805, 5967120, 6096840, 7011366, 9348488, 11685610, 12193680, 14022732, 17528415, 18696976, 23371220, 28045464, 35056830, 46742440, 56090928, 70113660, 93484880, 140227320, 280454640]

約数ペア:

[(1, 280454640), (2, 140227320), (3, 93484880), (4, 70113660), (5, 56090928), (6, 46742440), (8, 35056830), (10, 28045464), (12, 23371220), (15, 18696976), (16, 17528415), (20, 14022732), (23, 12193680), (24, 11685610), (30, 9348488), (40, 7011366), (46, 6096840), (47, 5967120), (48, 5842805), (60, 4674244), (69, 4064560), (80, 3505683), (92, 3048420), (94, 2983560), (115, 2438736), (120, 2337122), (138, 2032280), (141, 1989040), (184, 1524210), (188, 1491780), (230, 1219368), (235, 1193424), (240, 1168561), (276, 1016140), (282, 994520), (345, 812912), (368, 762105), (376, 745890), (460, 609684), (470, 596712), (529, 530160), (552, 508070), (564, 497260), (690, 406456), (705, 397808), (752, 372945), (920, 304842), (940, 298356), (1058, 265080), (1081, 259440), (1104, 254035), (1128, 248630), (1380, 203228), (1410, 198904), (1587, 176720), (1840, 152421), (1880, 149178), (2116, 132540), (2162, 129720), (2209, 126960), (2256, 124315), (2645, 106032), (2760, 101614), (2820, 99452), (3174, 88360), (3243, 86480), (3760, 74589), (4232, 66270), (4324, 64860), (4418, 63480), (5290, 53016), (5405, 51888), (5520, 50807), (5640, 49726), (6348, 44180), (6486, 43240), (6627, 42320), (7935, 35344), (8464, 33135), (8648, 32430), (8836, 31740), (10580, 26508), (10810, 25944), (11045, 25392), (11280, 24863), (12696, 22090), (12972, 21620), (13254, 21160), (15870, 17672), (16215, 17296)]