About the Number

2131683720

2131683719 ← → 2131683721

2進数表記:1111111000011101110100110001000

漢数字表記:二十一億三千百六十八万三千七百二十

素因数分解:

2 3 × 3 1 × 5 1 × 17 1 × 19 1 × 43 1 × 1279 1

素因数の和:1372
約数の個数: 256
約数和(自身を含む): 7299072000
約数和(自身を除く): 5167388280

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 43, 51, 57, 60, 68, 76, 85, 86, 95, 102, 114, 120, 129, 136, 152, 170, 172, 190, 204, 215, 228, 255, 258, 285, 323, 340, 344, 380, 408, 430, 456, 510, 516, 570, 645, 646, 680, 731, 760, 817, 860, 969, 1020, 1032, 1140, 1279, 1290, 1292, 1462, 1615, 1634, 1720, 1938, 2040, 2193, 2280, 2451, 2558, 2580, 2584, 2924, 3230, 3268, 3655, 3837, 3876, 4085, 4386, 4845, 4902, 5116, 5160, 5848, 6395, 6460, 6536, 7310, 7674, 7752, 8170, 8772, 9690, 9804, 10232, 10965, 12255, 12790, 12920, 13889, 14620, 15348, 16340, 17544, 19185, 19380, 19608, 21743, 21930, 24301, 24510, 25580, 27778, 29240, 30696, 32680, 38370, 38760, 41667, 43486, 43860, 48602, 49020, 51160, 54997, 55556, 65229, 69445, 72903, 76740, 83334, 86972, 87720, 97204, 98040, 108715, 109994, 111112, 121505, 130458, 138890, 145806, 153480, 164991, 166668, 173944, 194408, 208335, 217430, 219988, 243010, 260916, 274985, 277780, 291612, 326145, 329982, 333336, 364515, 413117, 416670, 434860, 439976, 486020, 521832, 549970, 555560, 583224, 652290, 659964, 729030, 824955, 826234, 833340, 869720, 934949, 972040, 1044943, 1099940, 1239351, 1304580, 1319928, 1458060, 1649910, 1652468, 1666680, 1869898, 2065585, 2089886, 2199880, 2478702, 2609160, 2804847, 2916120, 3134829, 3299820, 3304936, 3739796, 4131170, 4179772, 4674745, 4957404, 5224715, 5609694, 6196755, 6269658, 6599640, 7479592, 8262340, 8359544, 9349490, 9914808, 10449430, 11219388, 12393510, 12539316, 14024235, 15674145, 16524680, 17764031, 18698980, 20898860, 22438776, 24787020, 25078632, 28048470, 31348290, 35528062, 37397960, 41797720, 49574040, 53292093, 56096940, 62696580, 71056124, 88820155, 106584186, 112193880, 125393160, 142112248, 177640310, 213168372, 266460465, 355280620, 426336744, 532920930, 710561240, 1065841860, 2131683720]

約数ペア:
[(1, 2131683720), (2, 1065841860), (3, 710561240), (4, 532920930), (5, 426336744), (6, 355280620), (8, 266460465), (10, 213168372), (12, 177640310), (15, 142112248), (17, 125393160), (19, 112193880), (20, 106584186), (24, 88820155), (30, 71056124), (34, 62696580), (38, 56096940), (40, 53292093), (43, 49574040), (51, 41797720), (57, 37397960), (60, 35528062), (68, 31348290), (76, 28048470), (85, 25078632), (86, 24787020), (95, 22438776), (102, 20898860), (114, 18698980), (120, 17764031), (129, 16524680), (136, 15674145), (152, 14024235), (170, 12539316), (172, 12393510), (190, 11219388), (204, 10449430), (215, 9914808), (228, 9349490), (255, 8359544), (258, 8262340), (285, 7479592), (323, 6599640), (340, 6269658), (344, 6196755), (380, 5609694), (408, 5224715), (430, 4957404), (456, 4674745), (510, 4179772), (516, 4131170), (570, 3739796), (645, 3304936), (646, 3299820), (680, 3134829), (731, 2916120), (760, 2804847), (817, 2609160), (860, 2478702), (969, 2199880), (1020, 2089886), (1032, 2065585), (1140, 1869898), (1279, 1666680), (1290, 1652468), (1292, 1649910), (1462, 1458060), (1615, 1319928), (1634, 1304580), (1720, 1239351), (1938, 1099940), (2040, 1044943), (2193, 972040), (2280, 934949), (2451, 869720), (2558, 833340), (2580, 826234), (2584, 824955), (2924, 729030), (3230, 659964), (3268, 652290), (3655, 583224), (3837, 555560), (3876, 549970), (4085, 521832), (4386, 486020), (4845, 439976), (4902, 434860), (5116, 416670), (5160, 413117), (5848, 364515), (6395, 333336), (6460, 329982), (6536, 326145), (7310, 291612), (7674, 277780), (7752, 274985), (8170, 260916), (8772, 243010), (9690, 219988), (9804, 217430), (10232, 208335), (10965, 194408), (12255, 173944), (12790, 166668), (12920, 164991), (13889, 153480), (14620, 145806), (15348, 138890), (16340, 130458), (17544, 121505), (19185, 111112), (19380, 109994), (19608, 108715), (21743, 98040), (21930, 97204), (24301, 87720), (24510, 86972), (25580, 83334), (27778, 76740), (29240, 72903), (30696, 69445), (32680, 65229), (38370, 55556), (38760, 54997), (41667, 51160), (43486, 49020), (43860, 48602)]

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