291450321680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{229981}}^1$

素因数の和:230105

約数の個数: 160

約数和(自身を含む): 810360895488

約数和(自身を除く): 518910573808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 217, 248, 280, 292, 310, 365, 434, 496, 511, 560, 584, 620, 730, 868, 1022, 1085, 1168, 1240, 1460, 1736, 2044, 2170, 2263, 2480, 2555, 2920, 3472, 4088, 4340, 4526, 5110, 5840, 8176, 8680, 9052, 10220, 11315, 15841, 17360, 18104, 20440, 22630, 31682, 36208, 40880, 45260, 63364, 79205, 90520, 126728, 158410, 181040, 229981, 253456, 316820, 459962, 633640, 919924, 1149905, 1267280, 1609867, 1839848, 2299810, 3219734, 3679696, 4599620, 6439468, 7129411, 8049335, 9199240, 12878936, 14258822, 16098670, 16788613, 18398480, 25757872, 28517644, 32197340, 33577226, 35647055, 49905877, 57035288, 64394680, 67154452, 71294110, 83943065, 99811754, 114070576, 117520291, 128789360, 134308904, 142588220, 167886130, 199623508, 235040582, 249529385, 268617808, 285176440, 335772260, 399247016, 470081164, 499058770, 520447003, 570352880, 587601455, 671544520, 798494032, 940162328, 998117540, 1040894006, 1175202910, 1343089040, 1880324656, 1996235080, 2081788012, 2350405820, 2602235015, 3643129021, 3992470160, 4163576024, 4700811640, 5204470030, 7286258042, 8327152048, 9401623280, 10408940060, 14572516084, 18215645105, 20817880120, 29145032168, 36431290210, 41635760240, 58290064336, 72862580420, 145725160840, 291450321680]

約数ペア:

[(1, 291450321680), (2, 145725160840), (4, 72862580420), (5, 58290064336), (7, 41635760240), (8, 36431290210), (10, 29145032168), (14, 20817880120), (16, 18215645105), (20, 14572516084), (28, 10408940060), (31, 9401623280), (35, 8327152048), (40, 7286258042), (56, 5204470030), (62, 4700811640), (70, 4163576024), (73, 3992470160), (80, 3643129021), (112, 2602235015), (124, 2350405820), (140, 2081788012), (146, 1996235080), (155, 1880324656), (217, 1343089040), (248, 1175202910), (280, 1040894006), (292, 998117540), (310, 940162328), (365, 798494032), (434, 671544520), (496, 587601455), (511, 570352880), (560, 520447003), (584, 499058770), (620, 470081164), (730, 399247016), (868, 335772260), (1022, 285176440), (1085, 268617808), (1168, 249529385), (1240, 235040582), (1460, 199623508), (1736, 167886130), (2044, 142588220), (2170, 134308904), (2263, 128789360), (2480, 117520291), (2555, 114070576), (2920, 99811754), (3472, 83943065), (4088, 71294110), (4340, 67154452), (4526, 64394680), (5110, 57035288), (5840, 49905877), (8176, 35647055), (8680, 33577226), (9052, 32197340), (10220, 28517644), (11315, 25757872), (15841, 18398480), (17360, 16788613), (18104, 16098670), (20440, 14258822), (22630, 12878936), (31682, 9199240), (36208, 8049335), (40880, 7129411), (45260, 6439468), (63364, 4599620), (79205, 3679696), (90520, 3219734), (126728, 2299810), (158410, 1839848), (181040, 1609867), (229981, 1267280), (253456, 1149905), (316820, 919924), (459962, 633640)]