320494720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5503}}^1$

素因数の和:5542

約数の個数: 128

約数和(自身を含む): 943165440

約数和(自身を除く): 622670720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5503, 5824, 7280, 8320, 11006, 11648, 14560, 22012, 27515, 29120, 38521, 44024, 55030, 58240, 71539, 77042, 88048, 110060, 143078, 154084, 176096, 192605, 220120, 286156, 308168, 352192, 357695, 385210, 440240, 500773, 572312, 616336, 704384, 715390, 770420, 880480, 1001546, 1144624, 1232672, 1430780, 1540840, 1760960, 2003092, 2289248, 2465344, 2503865, 2861560, 3081680, 3521920, 4006184, 4578496, 4930688, 5007730, 5723120, 6163360, 8012368, 9156992, 10015460, 11446240, 12326720, 16024736, 20030920, 22892480, 24653440, 32049472, 40061840, 45784960, 64098944, 80123680, 160247360, 320494720]

約数ペア:

[(1, 320494720), (2, 160247360), (4, 80123680), (5, 64098944), (7, 45784960), (8, 40061840), (10, 32049472), (13, 24653440), (14, 22892480), (16, 20030920), (20, 16024736), (26, 12326720), (28, 11446240), (32, 10015460), (35, 9156992), (40, 8012368), (52, 6163360), (56, 5723120), (64, 5007730), (65, 4930688), (70, 4578496), (80, 4006184), (91, 3521920), (104, 3081680), (112, 2861560), (128, 2503865), (130, 2465344), (140, 2289248), (160, 2003092), (182, 1760960), (208, 1540840), (224, 1430780), (260, 1232672), (280, 1144624), (320, 1001546), (364, 880480), (416, 770420), (448, 715390), (455, 704384), (520, 616336), (560, 572312), (640, 500773), (728, 440240), (832, 385210), (896, 357695), (910, 352192), (1040, 308168), (1120, 286156), (1456, 220120), (1664, 192605), (1820, 176096), (2080, 154084), (2240, 143078), (2912, 110060), (3640, 88048), (4160, 77042), (4480, 71539), (5503, 58240), (5824, 55030), (7280, 44024), (8320, 38521), (11006, 29120), (11648, 27515), (14560, 22012)]