640278720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11701}}^1$

素因数の和:11743

約数の個数: 168

約数和(自身を含む): 2318400240

約数和(自身を除く): 1678121520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 456, 480, 570, 576, 608, 684, 720, 760, 855, 912, 960, 1140, 1216, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 2880, 3040, 3420, 3648, 4560, 5472, 6080, 6840, 9120, 10944, 11701, 13680, 18240, 23402, 27360, 35103, 46804, 54720, 58505, 70206, 93608, 105309, 117010, 140412, 175515, 187216, 210618, 222319, 234020, 280824, 351030, 374432, 421236, 444638, 468040, 526545, 561648, 666957, 702060, 748864, 842472, 889276, 936080, 1053090, 1111595, 1123296, 1333914, 1404120, 1684944, 1778552, 1872160, 2000871, 2106180, 2223190, 2246592, 2667828, 2808240, 3334785, 3369888, 3557104, 3744320, 4001742, 4212360, 4446380, 5335656, 5616480, 6669570, 6739776, 7114208, 8003484, 8424720, 8892760, 10004355, 10671312, 11232960, 13339140, 14228416, 16006968, 16849440, 17785520, 20008710, 21342624, 26678280, 32013936, 33698880, 35571040, 40017420, 42685248, 53356560, 64027872, 71142080, 80034840, 106713120, 128055744, 160069680, 213426240, 320139360, 640278720]

約数ペア:

[(1, 640278720), (2, 320139360), (3, 213426240), (4, 160069680), (5, 128055744), (6, 106713120), (8, 80034840), (9, 71142080), (10, 64027872), (12, 53356560), (15, 42685248), (16, 40017420), (18, 35571040), (19, 33698880), (20, 32013936), (24, 26678280), (30, 21342624), (32, 20008710), (36, 17785520), (38, 16849440), (40, 16006968), (45, 14228416), (48, 13339140), (57, 11232960), (60, 10671312), (64, 10004355), (72, 8892760), (76, 8424720), (80, 8003484), (90, 7114208), (95, 6739776), (96, 6669570), (114, 5616480), (120, 5335656), (144, 4446380), (152, 4212360), (160, 4001742), (171, 3744320), (180, 3557104), (190, 3369888), (192, 3334785), (228, 2808240), (240, 2667828), (285, 2246592), (288, 2223190), (304, 2106180), (320, 2000871), (342, 1872160), (360, 1778552), (380, 1684944), (456, 1404120), (480, 1333914), (570, 1123296), (576, 1111595), (608, 1053090), (684, 936080), (720, 889276), (760, 842472), (855, 748864), (912, 702060), (960, 666957), (1140, 561648), (1216, 526545), (1368, 468040), (1440, 444638), (1520, 421236), (1710, 374432), (1824, 351030), (2280, 280824), (2736, 234020), (2880, 222319), (3040, 210618), (3420, 187216), (3648, 175515), (4560, 140412), (5472, 117010), (6080, 105309), (6840, 93608), (9120, 70206), (10944, 58505), (11701, 54720), (13680, 46804), (18240, 35103), (23402, 27360)]