1640636400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:704

約数の個数: 240

約数和(自身を含む): 5695885440

約数和(自身を除く): 4055249040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 251, 260, 300, 312, 325, 390, 400, 419, 502, 520, 600, 624, 650, 753, 780, 838, 975, 1004, 1040, 1200, 1255, 1257, 1300, 1506, 1560, 1676, 1950, 2008, 2095, 2510, 2514, 2600, 3012, 3120, 3263, 3352, 3765, 3900, 4016, 4190, 5020, 5028, 5200, 5447, 6024, 6275, 6285, 6526, 6704, 7530, 7800, 8380, 9789, 10040, 10056, 10475, 10894, 12048, 12550, 12570, 13052, 15060, 15600, 16315, 16341, 16760, 18825, 19578, 20080, 20112, 20950, 21788, 25100, 25140, 26104, 27235, 30120, 31425, 32630, 32682, 33520, 37650, 39156, 41900, 43576, 48945, 50200, 50280, 52208, 54470, 60240, 62850, 65260, 65364, 75300, 78312, 81575, 81705, 83800, 87152, 97890, 100400, 100560, 105169, 108940, 125700, 130520, 130728, 136175, 150600, 156624, 163150, 163410, 167600, 195780, 210338, 217880, 244725, 251400, 261040, 261456, 272350, 301200, 315507, 326300, 326820, 391560, 408525, 420676, 435760, 489450, 502800, 525845, 544700, 631014, 652600, 653640, 783120, 817050, 841352, 978900, 1051690, 1089400, 1262028, 1305200, 1307280, 1367197, 1577535, 1634100, 1682704, 1957800, 2103380, 2178800, 2524056, 2629225, 2734394, 3155070, 3268200, 3915600, 4101591, 4206760, 5048112, 5258450, 5468788, 6310140, 6536400, 6835985, 7887675, 8203182, 8413520, 10516900, 10937576, 12620280, 13671970, 15775350, 16406364, 20507955, 21033800, 21875152, 25240560, 27343940, 31550700, 32812728, 34179925, 41015910, 42067600, 54687880, 63101400, 65625456, 68359850, 82031820, 102539775, 109375760, 126202800, 136719700, 164063640, 205079550, 273439400, 328127280, 410159100, 546878800, 820318200, 1640636400]

約数ペア:

[(1, 1640636400), (2, 820318200), (3, 546878800), (4, 410159100), (5, 328127280), (6, 273439400), (8, 205079550), (10, 164063640), (12, 136719700), (13, 126202800), (15, 109375760), (16, 102539775), (20, 82031820), (24, 68359850), (25, 65625456), (26, 63101400), (30, 54687880), (39, 42067600), (40, 41015910), (48, 34179925), (50, 32812728), (52, 31550700), (60, 27343940), (65, 25240560), (75, 21875152), (78, 21033800), (80, 20507955), (100, 16406364), (104, 15775350), (120, 13671970), (130, 12620280), (150, 10937576), (156, 10516900), (195, 8413520), (200, 8203182), (208, 7887675), (240, 6835985), (251, 6536400), (260, 6310140), (300, 5468788), (312, 5258450), (325, 5048112), (390, 4206760), (400, 4101591), (419, 3915600), (502, 3268200), (520, 3155070), (600, 2734394), (624, 2629225), (650, 2524056), (753, 2178800), (780, 2103380), (838, 1957800), (975, 1682704), (1004, 1634100), (1040, 1577535), (1200, 1367197), (1255, 1307280), (1257, 1305200), (1300, 1262028), (1506, 1089400), (1560, 1051690), (1676, 978900), (1950, 841352), (2008, 817050), (2095, 783120), (2510, 653640), (2514, 652600), (2600, 631014), (3012, 544700), (3120, 525845), (3263, 502800), (3352, 489450), (3765, 435760), (3900, 420676), (4016, 408525), (4190, 391560), (5020, 326820), (5028, 326300), (5200, 315507), (5447, 301200), (6024, 272350), (6275, 261456), (6285, 261040), (6526, 251400), (6704, 244725), (7530, 217880), (7800, 210338), (8380, 195780), (9789, 167600), (10040, 163410), (10056, 163150), (10475, 156624), (10894, 150600), (12048, 136175), (12550, 130728), (12570, 130520), (13052, 125700), (15060, 108940), (15600, 105169), (16315, 100560), (16341, 100400), (16760, 97890), (18825, 87152), (19578, 83800), (20080, 81705), (20112, 81575), (20950, 78312), (21788, 75300), (25100, 65364), (25140, 65260), (26104, 62850), (27235, 60240), (30120, 54470), (31425, 52208), (32630, 50280), (32682, 50200), (33520, 48945), (37650, 43576), (39156, 41900)]