271551420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 288

約数和(自身を含む): 1024128000

約数和(自身を除く): 752576580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 199, 210, 228, 252, 266, 270, 285, 315, 342, 361, 378, 380, 398, 399, 420, 513, 532, 540, 570, 597, 630, 665, 684, 722, 756, 796, 798, 855, 945, 995, 1026, 1083, 1140, 1194, 1197, 1260, 1330, 1393, 1444, 1596, 1710, 1791, 1805, 1890, 1990, 1995, 2052, 2166, 2388, 2394, 2527, 2565, 2660, 2786, 2985, 3249, 3420, 3582, 3591, 3610, 3780, 3781, 3980, 3990, 4179, 4332, 4788, 5054, 5130, 5373, 5415, 5572, 5970, 5985, 6498, 6965, 7164, 7182, 7220, 7562, 7581, 7980, 8358, 8955, 9747, 10108, 10260, 10746, 10830, 11343, 11940, 11970, 12537, 12635, 12996, 13930, 14364, 15124, 15162, 16245, 16716, 17910, 17955, 18905, 19494, 20895, 21492, 21660, 22686, 22743, 23940, 25074, 25270, 26467, 26865, 27860, 30324, 32490, 34029, 35820, 35910, 37611, 37810, 37905, 38988, 41790, 45372, 45486, 48735, 50148, 50540, 52934, 53730, 56715, 62685, 64980, 68058, 68229, 71820, 71839, 75222, 75620, 75810, 79401, 83580, 90972, 97470, 102087, 105868, 107460, 113430, 113715, 125370, 132335, 136116, 136458, 143678, 150444, 151620, 158802, 170145, 188055, 194940, 204174, 215517, 226860, 227430, 238203, 250740, 264670, 272916, 287356, 317604, 340290, 341145, 359195, 376110, 397005, 408348, 431034, 454860, 476406, 502873, 510435, 529340, 646551, 680580, 682290, 714609, 718390, 752220, 794010, 862068, 952812, 1005746, 1020870, 1077585, 1191015, 1293102, 1364580, 1429218, 1436780, 1508619, 1588020, 1939653, 2011492, 2041740, 2155170, 2382030, 2514365, 2586204, 2858436, 3017238, 3232755, 3573045, 3879306, 4310340, 4525857, 4764060, 5028730, 6034476, 6465510, 7146090, 7543095, 7758612, 9051714, 9698265, 10057460, 12931020, 13577571, 14292180, 15086190, 18103428, 19396530, 22629285, 27155142, 30172380, 38793060, 45258570, 54310284, 67887855, 90517140, 135775710, 271551420]

約数ペア:

[(1, 271551420), (2, 135775710), (3, 90517140), (4, 67887855), (5, 54310284), (6, 45258570), (7, 38793060), (9, 30172380), (10, 27155142), (12, 22629285), (14, 19396530), (15, 18103428), (18, 15086190), (19, 14292180), (20, 13577571), (21, 12931020), (27, 10057460), (28, 9698265), (30, 9051714), (35, 7758612), (36, 7543095), (38, 7146090), (42, 6465510), (45, 6034476), (54, 5028730), (57, 4764060), (60, 4525857), (63, 4310340), (70, 3879306), (76, 3573045), (84, 3232755), (90, 3017238), (95, 2858436), (105, 2586204), (108, 2514365), (114, 2382030), (126, 2155170), (133, 2041740), (135, 2011492), (140, 1939653), (171, 1588020), (180, 1508619), (189, 1436780), (190, 1429218), (199, 1364580), (210, 1293102), (228, 1191015), (252, 1077585), (266, 1020870), (270, 1005746), (285, 952812), (315, 862068), (342, 794010), (361, 752220), (378, 718390), (380, 714609), (398, 682290), (399, 680580), (420, 646551), (513, 529340), (532, 510435), (540, 502873), (570, 476406), (597, 454860), (630, 431034), (665, 408348), (684, 397005), (722, 376110), (756, 359195), (796, 341145), (798, 340290), (855, 317604), (945, 287356), (995, 272916), (1026, 264670), (1083, 250740), (1140, 238203), (1194, 227430), (1197, 226860), (1260, 215517), (1330, 204174), (1393, 194940), (1444, 188055), (1596, 170145), (1710, 158802), (1791, 151620), (1805, 150444), (1890, 143678), (1990, 136458), (1995, 136116), (2052, 132335), (2166, 125370), (2388, 113715), (2394, 113430), (2527, 107460), (2565, 105868), (2660, 102087), (2786, 97470), (2985, 90972), (3249, 83580), (3420, 79401), (3582, 75810), (3591, 75620), (3610, 75222), (3780, 71839), (3781, 71820), (3980, 68229), (3990, 68058), (4179, 64980), (4332, 62685), (4788, 56715), (5054, 53730), (5130, 52934), (5373, 50540), (5415, 50148), (5572, 48735), (5970, 45486), (5985, 45372), (6498, 41790), (6965, 38988), (7164, 37905), (7182, 37810), (7220, 37611), (7562, 35910), (7581, 35820), (7980, 34029), (8358, 32490), (8955, 30324), (9747, 27860), (10108, 26865), (10260, 26467), (10746, 25270), (10830, 25074), (11343, 23940), (11940, 22743), (11970, 22686), (12537, 21660), (12635, 21492), (12996, 20895), (13930, 19494), (14364, 18905), (15124, 17955), (15162, 17910), (16245, 16716)]