1869721600

素因数分解:

$2^{12}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 234

約数和(自身を含む): 5042871060

約数和(自身を除く): 3173149460

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, 128, 152, 155, 160, 190, 200, 248, 256, 304, 310, 320, 380, 400, 475, 496, 512, 589, 608, 620, 640, 760, 775, 800, 950, 961, 992, 1024, 1178, 1216, 1240, 1280, 1520, 1550, 1600, 1900, 1922, 1984, 2048, 2356, 2432, 2480, 2560, 2945, 3040, 3100, 3200, 3800, 3844, 3968, 4096, 4712, 4805, 4864, 4960, 5120, 5890, 6080, 6200, 6400, 7600, 7688, 7936, 9424, 9610, 9728, 9920, 10240, 11780, 12160, 12400, 12800, 14725, 15200, 15376, 15872, 18259, 18848, 19220, 19456, 19840, 20480, 23560, 24025, 24320, 24800, 25600, 29450, 30400, 30752, 31744, 36518, 37696, 38440, 38912, 39680, 47120, 48050, 48640, 49600, 51200, 58900, 60800, 61504, 63488, 73036, 75392, 76880, 77824, 79360, 91295, 94240, 96100, 97280, 99200, 102400, 117800, 121600, 123008, 126976, 146072, 150784, 153760, 158720, 182590, 188480, 192200, 194560, 198400, 235600, 243200, 246016, 292144, 301568, 307520, 317440, 365180, 376960, 384400, 389120, 396800, 456475, 471200, 486400, 492032, 584288, 603136, 615040, 634880, 730360, 753920, 768800, 793600, 912950, 942400, 972800, 984064, 1168576, 1206272, 1230080, 1460720, 1507840, 1537600, 1587200, 1825900, 1884800, 1945600, 1968128, 2337152, 2412544, 2460160, 2921440, 3015680, 3075200, 3174400, 3651800, 3769600, 3936256, 4674304, 4920320, 5842880, 6031360, 6150400, 7303600, 7539200, 9348608, 9840640, 11685760, 12062720, 12300800, 14607200, 15078400, 18697216, 19681280, 23371520, 24601600, 29214400, 30156800, 37394432, 46743040, 49203200, 58428800, 60313600, 74788864, 93486080, 98406400, 116857600, 186972160, 233715200, 373944320, 467430400, 934860800, 1869721600]

約数ペア:

[(1, 1869721600), (2, 934860800), (4, 467430400), (5, 373944320), (8, 233715200), (10, 186972160), (16, 116857600), (19, 98406400), (20, 93486080), (25, 74788864), (31, 60313600), (32, 58428800), (38, 49203200), (40, 46743040), (50, 37394432), (62, 30156800), (64, 29214400), (76, 24601600), (80, 23371520), (95, 19681280), (100, 18697216), (124, 15078400), (128, 14607200), (152, 12300800), (155, 12062720), (160, 11685760), (190, 9840640), (200, 9348608), (248, 7539200), (256, 7303600), (304, 6150400), (310, 6031360), (320, 5842880), (380, 4920320), (400, 4674304), (475, 3936256), (496, 3769600), (512, 3651800), (589, 3174400), (608, 3075200), (620, 3015680), (640, 2921440), (760, 2460160), (775, 2412544), (800, 2337152), (950, 1968128), (961, 1945600), (992, 1884800), (1024, 1825900), (1178, 1587200), (1216, 1537600), (1240, 1507840), (1280, 1460720), (1520, 1230080), (1550, 1206272), (1600, 1168576), (1900, 984064), (1922, 972800), (1984, 942400), (2048, 912950), (2356, 793600), (2432, 768800), (2480, 753920), (2560, 730360), (2945, 634880), (3040, 615040), (3100, 603136), (3200, 584288), (3800, 492032), (3844, 486400), (3968, 471200), (4096, 456475), (4712, 396800), (4805, 389120), (4864, 384400), (4960, 376960), (5120, 365180), (5890, 317440), (6080, 307520), (6200, 301568), (6400, 292144), (7600, 246016), (7688, 243200), (7936, 235600), (9424, 198400), (9610, 194560), (9728, 192200), (9920, 188480), (10240, 182590), (11780, 158720), (12160, 153760), (12400, 150784), (12800, 146072), (14725, 126976), (15200, 123008), (15376, 121600), (15872, 117800), (18259, 102400), (18848, 99200), (19220, 97280), (19456, 96100), (19840, 94240), (20480, 91295), (23560, 79360), (24025, 77824), (24320, 76880), (24800, 75392), (25600, 73036), (29450, 63488), (30400, 61504), (30752, 60800), (31744, 58900), (36518, 51200), (37696, 49600), (38440, 48640), (38912, 48050), (39680, 47120)]