1620909760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 168

約数和(自身を含む): 4221144720

約数和(自身を除く): 2600234960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 145, 152, 160, 190, 232, 290, 304, 317, 320, 380, 464, 551, 580, 608, 634, 760, 841, 928, 1102, 1160, 1216, 1268, 1520, 1585, 1682, 1856, 2204, 2320, 2536, 2755, 3040, 3170, 3364, 4205, 4408, 4640, 5072, 5510, 6023, 6080, 6340, 6728, 8410, 8816, 9193, 9280, 10144, 11020, 12046, 12680, 13456, 15979, 16820, 17632, 18386, 20288, 22040, 24092, 25360, 26912, 30115, 31958, 33640, 35264, 36772, 44080, 45965, 48184, 50720, 53824, 60230, 63916, 67280, 73544, 79895, 88160, 91930, 96368, 101440, 120460, 127832, 134560, 147088, 159790, 174667, 176320, 183860, 192736, 240920, 255664, 266597, 269120, 294176, 319580, 349334, 367720, 385472, 481840, 511328, 533194, 588352, 639160, 698668, 735440, 873335, 963680, 1022656, 1066388, 1278320, 1332985, 1397336, 1470880, 1746670, 1927360, 2132776, 2556640, 2665970, 2794672, 2941760, 3493340, 4265552, 5065343, 5113280, 5331940, 5589344, 6986680, 8531104, 10130686, 10663880, 11178688, 13973360, 17062208, 20261372, 21327760, 25326715, 27946720, 40522744, 42655520, 50653430, 55893440, 81045488, 85311040, 101306860, 162090976, 202613720, 324181952, 405227440, 810454880, 1620909760]

約数ペア:

[(1, 1620909760), (2, 810454880), (4, 405227440), (5, 324181952), (8, 202613720), (10, 162090976), (16, 101306860), (19, 85311040), (20, 81045488), (29, 55893440), (32, 50653430), (38, 42655520), (40, 40522744), (58, 27946720), (64, 25326715), (76, 21327760), (80, 20261372), (95, 17062208), (116, 13973360), (145, 11178688), (152, 10663880), (160, 10130686), (190, 8531104), (232, 6986680), (290, 5589344), (304, 5331940), (317, 5113280), (320, 5065343), (380, 4265552), (464, 3493340), (551, 2941760), (580, 2794672), (608, 2665970), (634, 2556640), (760, 2132776), (841, 1927360), (928, 1746670), (1102, 1470880), (1160, 1397336), (1216, 1332985), (1268, 1278320), (1520, 1066388), (1585, 1022656), (1682, 963680), (1856, 873335), (2204, 735440), (2320, 698668), (2536, 639160), (2755, 588352), (3040, 533194), (3170, 511328), (3364, 481840), (4205, 385472), (4408, 367720), (4640, 349334), (5072, 319580), (5510, 294176), (6023, 269120), (6080, 266597), (6340, 255664), (6728, 240920), (8410, 192736), (8816, 183860), (9193, 176320), (9280, 174667), (10144, 159790), (11020, 147088), (12046, 134560), (12680, 127832), (13456, 120460), (15979, 101440), (16820, 96368), (17632, 91930), (18386, 88160), (20288, 79895), (22040, 73544), (24092, 67280), (25360, 63916), (26912, 60230), (30115, 53824), (31958, 50720), (33640, 48184), (35264, 45965), (36772, 44080)]