1914956800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 264

約数和(自身を含む): 5198397440

約数和(自身を除く): 3283440640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 127, 128, 152, 155, 160, 190, 200, 248, 254, 256, 304, 310, 320, 380, 400, 475, 496, 508, 512, 589, 608, 620, 635, 640, 760, 775, 800, 950, 992, 1016, 1024, 1178, 1216, 1240, 1270, 1280, 1520, 1550, 1600, 1900, 1984, 2032, 2356, 2413, 2432, 2480, 2540, 2560, 2945, 3040, 3100, 3175, 3200, 3800, 3937, 3968, 4064, 4712, 4826, 4864, 4960, 5080, 5120, 5890, 6080, 6200, 6350, 6400, 7600, 7874, 7936, 8128, 9424, 9652, 9728, 9920, 10160, 11780, 12065, 12160, 12400, 12700, 12800, 14725, 15200, 15748, 15872, 16256, 18848, 19304, 19456, 19685, 19840, 20320, 23560, 24130, 24320, 24800, 25400, 25600, 29450, 30400, 31496, 31744, 32512, 37696, 38608, 39370, 39680, 40640, 47120, 48260, 48640, 49600, 50800, 58900, 60325, 60800, 62992, 65024, 74803, 75392, 77216, 78740, 79360, 81280, 94240, 96520, 97280, 98425, 99200, 101600, 117800, 120650, 121600, 125984, 130048, 149606, 150784, 154432, 157480, 158720, 162560, 188480, 193040, 196850, 198400, 203200, 235600, 241300, 243200, 251968, 299212, 301568, 308864, 314960, 325120, 374015, 376960, 386080, 393700, 396800, 406400, 471200, 482600, 486400, 503936, 598424, 603136, 617728, 629920, 650240, 748030, 753920, 772160, 787400, 793600, 812800, 942400, 965200, 1007872, 1196848, 1235456, 1259840, 1496060, 1507840, 1544320, 1574800, 1625600, 1870075, 1884800, 1930400, 2015744, 2393696, 2470912, 2519680, 2992120, 3015680, 3088640, 3149600, 3251200, 3740150, 3769600, 3860800, 4031488, 4787392, 5039360, 5984240, 6177280, 6299200, 7480300, 7539200, 7721600, 9574784, 10078720, 11968480, 12354560, 12598400, 14960600, 15078400, 15443200, 19149568, 20157440, 23936960, 25196800, 29921200, 30886400, 38299136, 47873920, 50393600, 59842400, 61772800, 76598272, 95747840, 100787200, 119684800, 191495680, 239369600, 382991360, 478739200, 957478400, 1914956800]

約数ペア:

[(1, 1914956800), (2, 957478400), (4, 478739200), (5, 382991360), (8, 239369600), (10, 191495680), (16, 119684800), (19, 100787200), (20, 95747840), (25, 76598272), (31, 61772800), (32, 59842400), (38, 50393600), (40, 47873920), (50, 38299136), (62, 30886400), (64, 29921200), (76, 25196800), (80, 23936960), (95, 20157440), (100, 19149568), (124, 15443200), (127, 15078400), (128, 14960600), (152, 12598400), (155, 12354560), (160, 11968480), (190, 10078720), (200, 9574784), (248, 7721600), (254, 7539200), (256, 7480300), (304, 6299200), (310, 6177280), (320, 5984240), (380, 5039360), (400, 4787392), (475, 4031488), (496, 3860800), (508, 3769600), (512, 3740150), (589, 3251200), (608, 3149600), (620, 3088640), (635, 3015680), (640, 2992120), (760, 2519680), (775, 2470912), (800, 2393696), (950, 2015744), (992, 1930400), (1016, 1884800), (1024, 1870075), (1178, 1625600), (1216, 1574800), (1240, 1544320), (1270, 1507840), (1280, 1496060), (1520, 1259840), (1550, 1235456), (1600, 1196848), (1900, 1007872), (1984, 965200), (2032, 942400), (2356, 812800), (2413, 793600), (2432, 787400), (2480, 772160), (2540, 753920), (2560, 748030), (2945, 650240), (3040, 629920), (3100, 617728), (3175, 603136), (3200, 598424), (3800, 503936), (3937, 486400), (3968, 482600), (4064, 471200), (4712, 406400), (4826, 396800), (4864, 393700), (4960, 386080), (5080, 376960), (5120, 374015), (5890, 325120), (6080, 314960), (6200, 308864), (6350, 301568), (6400, 299212), (7600, 251968), (7874, 243200), (7936, 241300), (8128, 235600), (9424, 203200), (9652, 198400), (9728, 196850), (9920, 193040), (10160, 188480), (11780, 162560), (12065, 158720), (12160, 157480), (12400, 154432), (12700, 150784), (12800, 149606), (14725, 130048), (15200, 125984), (15748, 121600), (15872, 120650), (16256, 117800), (18848, 101600), (19304, 99200), (19456, 98425), (19685, 97280), (19840, 96520), (20320, 94240), (23560, 81280), (24130, 79360), (24320, 78740), (24800, 77216), (25400, 75392), (25600, 74803), (29450, 65024), (30400, 62992), (31496, 60800), (31744, 60325), (32512, 58900), (37696, 50800), (38608, 49600), (39370, 48640), (39680, 48260), (40640, 47120)]