1280041221760

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{516679}}^1$

素因数の和:516791

約数の個数: 192

約数和(自身を含む): 3604773024000

約数和(自身を除く): 2324731802240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 128, 140, 158, 160, 196, 224, 245, 280, 316, 320, 392, 395, 448, 490, 553, 560, 632, 640, 784, 790, 896, 980, 1106, 1120, 1264, 1568, 1580, 1960, 2212, 2240, 2528, 2765, 3136, 3160, 3871, 3920, 4424, 4480, 5056, 5530, 6272, 6320, 7742, 7840, 8848, 10112, 11060, 12640, 15484, 15680, 17696, 19355, 22120, 25280, 30968, 31360, 35392, 38710, 44240, 50560, 61936, 70784, 77420, 88480, 123872, 154840, 176960, 247744, 309680, 353920, 495488, 516679, 619360, 1033358, 1238720, 2066716, 2477440, 2583395, 3616753, 4133432, 5166790, 7233506, 8266864, 10333580, 14467012, 16533728, 18083765, 20667160, 25317271, 28934024, 33067456, 36167530, 40817641, 41334320, 50634542, 57868048, 66134912, 72335060, 81635282, 82668640, 101269084, 115736096, 126586355, 144670120, 163270564, 165337280, 202538168, 204088205, 231472192, 253172710, 285723487, 289340240, 326541128, 330674560, 405076336, 408176410, 462944384, 506345420, 571446974, 578680480, 653082256, 810152672, 816352820, 1012690840, 1142893948, 1157360960, 1306164512, 1428617435, 1620305344, 1632705640, 2000064409, 2025381680, 2285787896, 2314721920, 2612329024, 2857234870, 3240610688, 3265411280, 4000128818, 4050763360, 4571575792, 5224658048, 5714469740, 6530822560, 8000257636, 8101526720, 9143151584, 10000322045, 11428939480, 13061645120, 16000515272, 16203053440, 18286303168, 20000644090, 22857878960, 26123290240, 32001030544, 36572606336, 40001288180, 45715757920, 64002061088, 80002576360, 91431515840, 128004122176, 160005152720, 182863031680, 256008244352, 320010305440, 640020610880, 1280041221760]

約数ペア:

[(1, 1280041221760), (2, 640020610880), (4, 320010305440), (5, 256008244352), (7, 182863031680), (8, 160005152720), (10, 128004122176), (14, 91431515840), (16, 80002576360), (20, 64002061088), (28, 45715757920), (32, 40001288180), (35, 36572606336), (40, 32001030544), (49, 26123290240), (56, 22857878960), (64, 20000644090), (70, 18286303168), (79, 16203053440), (80, 16000515272), (98, 13061645120), (112, 11428939480), (128, 10000322045), (140, 9143151584), (158, 8101526720), (160, 8000257636), (196, 6530822560), (224, 5714469740), (245, 5224658048), (280, 4571575792), (316, 4050763360), (320, 4000128818), (392, 3265411280), (395, 3240610688), (448, 2857234870), (490, 2612329024), (553, 2314721920), (560, 2285787896), (632, 2025381680), (640, 2000064409), (784, 1632705640), (790, 1620305344), (896, 1428617435), (980, 1306164512), (1106, 1157360960), (1120, 1142893948), (1264, 1012690840), (1568, 816352820), (1580, 810152672), (1960, 653082256), (2212, 578680480), (2240, 571446974), (2528, 506345420), (2765, 462944384), (3136, 408176410), (3160, 405076336), (3871, 330674560), (3920, 326541128), (4424, 289340240), (4480, 285723487), (5056, 253172710), (5530, 231472192), (6272, 204088205), (6320, 202538168), (7742, 165337280), (7840, 163270564), (8848, 144670120), (10112, 126586355), (11060, 115736096), (12640, 101269084), (15484, 82668640), (15680, 81635282), (17696, 72335060), (19355, 66134912), (22120, 57868048), (25280, 50634542), (30968, 41334320), (31360, 40817641), (35392, 36167530), (38710, 33067456), (44240, 28934024), (50560, 25317271), (61936, 20667160), (70784, 18083765), (77420, 16533728), (88480, 14467012), (123872, 10333580), (154840, 8266864), (176960, 7233506), (247744, 5166790), (309680, 4133432), (353920, 3616753), (495488, 2583395), (516679, 2477440), (619360, 2066716), (1033358, 1238720)]