20404164960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{345599}}^1$

素因数の和:345661

約数の個数: 144

約数和(自身を含む): 71327692800

約数和(自身を除く): 50923527840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 492, 615, 656, 720, 738, 820, 984, 1230, 1312, 1440, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 3936, 4920, 5904, 6560, 7380, 9840, 11808, 14760, 19680, 29520, 59040, 345599, 691198, 1036797, 1382396, 1727995, 2073594, 2764792, 3110391, 3455990, 4147188, 5183985, 5529584, 6220782, 6911980, 8294376, 10367970, 11059168, 12441564, 13823960, 14169559, 15551955, 16588752, 20735940, 24883128, 27647920, 28339118, 31103910, 33177504, 41471880, 42508677, 49766256, 55295840, 56678236, 62207820, 70847795, 82943760, 85017354, 99532512, 113356472, 124415640, 127526031, 141695590, 165887520, 170034708, 212543385, 226712944, 248831280, 255052062, 283391180, 340069416, 425086770, 453425888, 497662560, 510104124, 566782360, 637630155, 680138832, 850173540, 1020208248, 1133564720, 1275260310, 1360277664, 1700347080, 2040416496, 2267129440, 2550520620, 3400694160, 4080832992, 5101041240, 6801388320, 10202082480, 20404164960]

約数ペア:

[(1, 20404164960), (2, 10202082480), (3, 6801388320), (4, 5101041240), (5, 4080832992), (6, 3400694160), (8, 2550520620), (9, 2267129440), (10, 2040416496), (12, 1700347080), (15, 1360277664), (16, 1275260310), (18, 1133564720), (20, 1020208248), (24, 850173540), (30, 680138832), (32, 637630155), (36, 566782360), (40, 510104124), (41, 497662560), (45, 453425888), (48, 425086770), (60, 340069416), (72, 283391180), (80, 255052062), (82, 248831280), (90, 226712944), (96, 212543385), (120, 170034708), (123, 165887520), (144, 141695590), (160, 127526031), (164, 124415640), (180, 113356472), (205, 99532512), (240, 85017354), (246, 82943760), (288, 70847795), (328, 62207820), (360, 56678236), (369, 55295840), (410, 49766256), (480, 42508677), (492, 41471880), (615, 33177504), (656, 31103910), (720, 28339118), (738, 27647920), (820, 24883128), (984, 20735940), (1230, 16588752), (1312, 15551955), (1440, 14169559), (1476, 13823960), (1640, 12441564), (1845, 11059168), (1968, 10367970), (2460, 8294376), (2952, 6911980), (3280, 6220782), (3690, 5529584), (3936, 5183985), (4920, 4147188), (5904, 3455990), (6560, 3110391), (7380, 2764792), (9840, 2073594), (11808, 1727995), (14760, 1382396), (19680, 1036797), (29520, 691198), (59040, 345599)]