428313960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20873}}^1$

素因数の和:20912

約数の個数: 128

約数和(自身を含む): 1502928000

約数和(自身を除く): 1074614040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 20873, 41746, 62619, 83492, 104365, 125238, 166984, 187857, 208730, 250476, 313095, 375714, 396587, 417460, 500952, 563571, 626190, 751428, 793174, 834920, 939285, 1127142, 1189761, 1252380, 1502856, 1586348, 1878570, 1982935, 2254284, 2379522, 2504760, 2817855, 3172696, 3569283, 3757140, 3965870, 4508568, 4759044, 5635710, 5948805, 7138566, 7514280, 7931740, 9518088, 10707849, 11271420, 11897610, 14277132, 15863480, 17846415, 21415698, 22542840, 23795220, 28554264, 35692830, 42831396, 47590440, 53539245, 71385660, 85662792, 107078490, 142771320, 214156980, 428313960]

約数ペア:

[(1, 428313960), (2, 214156980), (3, 142771320), (4, 107078490), (5, 85662792), (6, 71385660), (8, 53539245), (9, 47590440), (10, 42831396), (12, 35692830), (15, 28554264), (18, 23795220), (19, 22542840), (20, 21415698), (24, 17846415), (27, 15863480), (30, 14277132), (36, 11897610), (38, 11271420), (40, 10707849), (45, 9518088), (54, 7931740), (57, 7514280), (60, 7138566), (72, 5948805), (76, 5635710), (90, 4759044), (95, 4508568), (108, 3965870), (114, 3757140), (120, 3569283), (135, 3172696), (152, 2817855), (171, 2504760), (180, 2379522), (190, 2254284), (216, 1982935), (228, 1878570), (270, 1586348), (285, 1502856), (342, 1252380), (360, 1189761), (380, 1127142), (456, 939285), (513, 834920), (540, 793174), (570, 751428), (684, 626190), (760, 563571), (855, 500952), (1026, 417460), (1080, 396587), (1140, 375714), (1368, 313095), (1710, 250476), (2052, 208730), (2280, 187857), (2565, 166984), (3420, 125238), (4104, 104365), (5130, 83492), (6840, 62619), (10260, 41746), (20520, 20873)]