1900890720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23159}}^1$

素因数の和:23202

約数の個数: 192

約数和(自身を含む): 7003584000

約数和(自身を除く): 5102693280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 20520, 23159, 27360, 41040, 46318, 69477, 82080, 92636, 115795, 138954, 185272, 208431, 231590, 277908, 347385, 370544, 416862, 440021, 463180, 555816, 625293, 694770, 741088, 833724, 880042, 926360, 1042155, 1111632, 1250586, 1320063, 1389540, 1667448, 1760084, 1852720, 2084310, 2200105, 2223264, 2501172, 2640126, 2779080, 3126465, 3334896, 3520168, 3705440, 3960189, 4168620, 4400210, 5002344, 5280252, 5558160, 6252930, 6600315, 6669792, 7040336, 7920378, 8337240, 8800420, 10004688, 10560504, 11116320, 11880567, 12505860, 13200630, 14080672, 15840756, 16674480, 17600840, 19800945, 20009376, 21121008, 23761134, 25011720, 26401260, 31681512, 33348960, 35201680, 39601890, 42242016, 47522268, 50023440, 52802520, 59402835, 63363024, 70403360, 79203780, 95044536, 100046880, 105605040, 118805670, 126726048, 158407560, 190089072, 211210080, 237611340, 316815120, 380178144, 475222680, 633630240, 950445360, 1900890720]

約数ペア:

[(1, 1900890720), (2, 950445360), (3, 633630240), (4, 475222680), (5, 380178144), (6, 316815120), (8, 237611340), (9, 211210080), (10, 190089072), (12, 158407560), (15, 126726048), (16, 118805670), (18, 105605040), (19, 100046880), (20, 95044536), (24, 79203780), (27, 70403360), (30, 63363024), (32, 59402835), (36, 52802520), (38, 50023440), (40, 47522268), (45, 42242016), (48, 39601890), (54, 35201680), (57, 33348960), (60, 31681512), (72, 26401260), (76, 25011720), (80, 23761134), (90, 21121008), (95, 20009376), (96, 19800945), (108, 17600840), (114, 16674480), (120, 15840756), (135, 14080672), (144, 13200630), (152, 12505860), (160, 11880567), (171, 11116320), (180, 10560504), (190, 10004688), (216, 8800420), (228, 8337240), (240, 7920378), (270, 7040336), (285, 6669792), (288, 6600315), (304, 6252930), (342, 5558160), (360, 5280252), (380, 5002344), (432, 4400210), (456, 4168620), (480, 3960189), (513, 3705440), (540, 3520168), (570, 3334896), (608, 3126465), (684, 2779080), (720, 2640126), (760, 2501172), (855, 2223264), (864, 2200105), (912, 2084310), (1026, 1852720), (1080, 1760084), (1140, 1667448), (1368, 1389540), (1440, 1320063), (1520, 1250586), (1710, 1111632), (1824, 1042155), (2052, 926360), (2160, 880042), (2280, 833724), (2565, 741088), (2736, 694770), (3040, 625293), (3420, 555816), (4104, 463180), (4320, 440021), (4560, 416862), (5130, 370544), (5472, 347385), (6840, 277908), (8208, 231590), (9120, 208431), (10260, 185272), (13680, 138954), (16416, 115795), (20520, 92636), (23159, 82080), (27360, 69477), (41040, 46318)]