20185191900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{85931}}^1$

素因数の和:85986

約数の個数: 180

約数和(自身を含む): 67689495720

約数和(自身を除く): 47504303820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 81, 87, 90, 100, 108, 116, 135, 145, 150, 162, 174, 180, 225, 261, 270, 290, 300, 324, 348, 405, 435, 450, 522, 540, 580, 675, 725, 783, 810, 870, 900, 1044, 1305, 1350, 1450, 1566, 1620, 1740, 2025, 2175, 2349, 2610, 2700, 2900, 3132, 3915, 4050, 4350, 4698, 5220, 6525, 7830, 8100, 8700, 9396, 11745, 13050, 15660, 19575, 23490, 26100, 39150, 46980, 58725, 78300, 85931, 117450, 171862, 234900, 257793, 343724, 429655, 515586, 773379, 859310, 1031172, 1288965, 1546758, 1718620, 2148275, 2320137, 2491999, 2577930, 3093516, 3866895, 4296550, 4640274, 4983998, 5155860, 6444825, 6960411, 7475997, 7733790, 8593100, 9280548, 9967996, 11600685, 12459995, 12889650, 13920822, 14951994, 15467580, 19334475, 22427991, 23201370, 24919990, 25779300, 27841644, 29903988, 34802055, 37379985, 38668950, 44855982, 46402740, 49839980, 58003425, 62299975, 67283973, 69604110, 74759970, 77337900, 89711964, 112139955, 116006850, 124599950, 134567946, 139208220, 149519940, 174010275, 186899925, 201851919, 224279910, 232013700, 249199900, 269135892, 336419865, 348020550, 373799850, 403703838, 448559820, 560699775, 672839730, 696041100, 747599700, 807407676, 1009259595, 1121399550, 1345679460, 1682099325, 2018519190, 2242799100, 3364198650, 4037038380, 5046297975, 6728397300, 10092595950, 20185191900]

約数ペア:

[(1, 20185191900), (2, 10092595950), (3, 6728397300), (4, 5046297975), (5, 4037038380), (6, 3364198650), (9, 2242799100), (10, 2018519190), (12, 1682099325), (15, 1345679460), (18, 1121399550), (20, 1009259595), (25, 807407676), (27, 747599700), (29, 696041100), (30, 672839730), (36, 560699775), (45, 448559820), (50, 403703838), (54, 373799850), (58, 348020550), (60, 336419865), (75, 269135892), (81, 249199900), (87, 232013700), (90, 224279910), (100, 201851919), (108, 186899925), (116, 174010275), (135, 149519940), (145, 139208220), (150, 134567946), (162, 124599950), (174, 116006850), (180, 112139955), (225, 89711964), (261, 77337900), (270, 74759970), (290, 69604110), (300, 67283973), (324, 62299975), (348, 58003425), (405, 49839980), (435, 46402740), (450, 44855982), (522, 38668950), (540, 37379985), (580, 34802055), (675, 29903988), (725, 27841644), (783, 25779300), (810, 24919990), (870, 23201370), (900, 22427991), (1044, 19334475), (1305, 15467580), (1350, 14951994), (1450, 13920822), (1566, 12889650), (1620, 12459995), (1740, 11600685), (2025, 9967996), (2175, 9280548), (2349, 8593100), (2610, 7733790), (2700, 7475997), (2900, 6960411), (3132, 6444825), (3915, 5155860), (4050, 4983998), (4350, 4640274), (4698, 4296550), (5220, 3866895), (6525, 3093516), (7830, 2577930), (8100, 2491999), (8700, 2320137), (9396, 2148275), (11745, 1718620), (13050, 1546758), (15660, 1288965), (19575, 1031172), (23490, 859310), (26100, 773379), (39150, 515586), (46980, 429655), (58725, 343724), (78300, 257793), (85931, 234900), (117450, 171862)]