1639505280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:841

約数の個数: 256

約数和(自身を含む): 6012288000

約数和(自身を除く): 4372782720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 199, 210, 224, 240, 280, 320, 336, 384, 398, 420, 448, 480, 560, 597, 613, 640, 672, 796, 840, 896, 960, 995, 1120, 1194, 1226, 1344, 1393, 1592, 1680, 1839, 1920, 1990, 2240, 2388, 2452, 2688, 2786, 2985, 3065, 3184, 3360, 3678, 3980, 4179, 4291, 4480, 4776, 4904, 5572, 5970, 6130, 6368, 6720, 6965, 7356, 7960, 8358, 8582, 9195, 9552, 9808, 11144, 11940, 12260, 12736, 12873, 13440, 13930, 14712, 15920, 16716, 17164, 18390, 19104, 19616, 20895, 21455, 22288, 23880, 24520, 25472, 25746, 27860, 29424, 31840, 33432, 34328, 36780, 38208, 39232, 41790, 42910, 44576, 47760, 49040, 51492, 55720, 58848, 63680, 64365, 66864, 68656, 73560, 76416, 78464, 83580, 85820, 89152, 95520, 98080, 102984, 111440, 117696, 121987, 127360, 128730, 133728, 137312, 147120, 167160, 171640, 178304, 191040, 196160, 205968, 222880, 235392, 243974, 257460, 267456, 274624, 294240, 334320, 343280, 365961, 382080, 392320, 411936, 445760, 487948, 514920, 534912, 549248, 588480, 609935, 668640, 686560, 731922, 823872, 853909, 891520, 975896, 1029840, 1176960, 1219870, 1337280, 1373120, 1463844, 1647744, 1707818, 1829805, 1951792, 2059680, 2439740, 2561727, 2674560, 2746240, 2927688, 3415636, 3659610, 3903584, 4119360, 4269545, 4879480, 5123454, 5855376, 6831272, 7319220, 7807168, 8238720, 8539090, 9758960, 10246908, 11710752, 12808635, 13662544, 14638440, 15614336, 17078180, 19517920, 20493816, 23421504, 25617270, 27325088, 29276880, 34156360, 39035840, 40987632, 46843008, 51234540, 54650176, 58553760, 68312720, 78071680, 81975264, 102469080, 109300352, 117107520, 136625440, 163950528, 204938160, 234215040, 273250880, 327901056, 409876320, 546501760, 819752640, 1639505280]

約数ペア:

[(1, 1639505280), (2, 819752640), (3, 546501760), (4, 409876320), (5, 327901056), (6, 273250880), (7, 234215040), (8, 204938160), (10, 163950528), (12, 136625440), (14, 117107520), (15, 109300352), (16, 102469080), (20, 81975264), (21, 78071680), (24, 68312720), (28, 58553760), (30, 54650176), (32, 51234540), (35, 46843008), (40, 40987632), (42, 39035840), (48, 34156360), (56, 29276880), (60, 27325088), (64, 25617270), (70, 23421504), (80, 20493816), (84, 19517920), (96, 17078180), (105, 15614336), (112, 14638440), (120, 13662544), (128, 12808635), (140, 11710752), (160, 10246908), (168, 9758960), (192, 8539090), (199, 8238720), (210, 7807168), (224, 7319220), (240, 6831272), (280, 5855376), (320, 5123454), (336, 4879480), (384, 4269545), (398, 4119360), (420, 3903584), (448, 3659610), (480, 3415636), (560, 2927688), (597, 2746240), (613, 2674560), (640, 2561727), (672, 2439740), (796, 2059680), (840, 1951792), (896, 1829805), (960, 1707818), (995, 1647744), (1120, 1463844), (1194, 1373120), (1226, 1337280), (1344, 1219870), (1393, 1176960), (1592, 1029840), (1680, 975896), (1839, 891520), (1920, 853909), (1990, 823872), (2240, 731922), (2388, 686560), (2452, 668640), (2688, 609935), (2786, 588480), (2985, 549248), (3065, 534912), (3184, 514920), (3360, 487948), (3678, 445760), (3980, 411936), (4179, 392320), (4291, 382080), (4480, 365961), (4776, 343280), (4904, 334320), (5572, 294240), (5970, 274624), (6130, 267456), (6368, 257460), (6720, 243974), (6965, 235392), (7356, 222880), (7960, 205968), (8358, 196160), (8582, 191040), (9195, 178304), (9552, 171640), (9808, 167160), (11144, 147120), (11940, 137312), (12260, 133728), (12736, 128730), (12873, 127360), (13440, 121987), (13930, 117696), (14712, 111440), (15920, 102984), (16716, 98080), (17164, 95520), (18390, 89152), (19104, 85820), (19616, 83580), (20895, 78464), (21455, 76416), (22288, 73560), (23880, 68656), (24520, 66864), (25472, 64365), (25746, 63680), (27860, 58848), (29424, 55720), (31840, 51492), (33432, 49040), (34328, 47760), (36780, 44576), (38208, 42910), (39232, 41790)]