64487520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2397

約数の個数: 144

約数和(自身を含む): 231744240

約数和(自身を除く): 167256720

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, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2357, 2736, 3040, 3420, 4560, 4714, 5472, 6840, 7071, 9120, 9428, 11785, 13680, 14142, 18856, 21213, 23570, 27360, 28284, 35355, 37712, 42426, 44783, 47140, 56568, 70710, 75424, 84852, 89566, 94280, 106065, 113136, 134349, 141420, 169704, 179132, 188560, 212130, 223915, 226272, 268698, 282840, 339408, 358264, 377120, 403047, 424260, 447830, 537396, 565680, 671745, 678816, 716528, 806094, 848520, 895660, 1074792, 1131360, 1343490, 1433056, 1612188, 1697040, 1791320, 2015235, 2149584, 2686980, 3224376, 3394080, 3582640, 4030470, 4299168, 5373960, 6448752, 7165280, 8060940, 10747920, 12897504, 16121880, 21495840, 32243760, 64487520]

約数ペア:

[(1, 64487520), (2, 32243760), (3, 21495840), (4, 16121880), (5, 12897504), (6, 10747920), (8, 8060940), (9, 7165280), (10, 6448752), (12, 5373960), (15, 4299168), (16, 4030470), (18, 3582640), (19, 3394080), (20, 3224376), (24, 2686980), (30, 2149584), (32, 2015235), (36, 1791320), (38, 1697040), (40, 1612188), (45, 1433056), (48, 1343490), (57, 1131360), (60, 1074792), (72, 895660), (76, 848520), (80, 806094), (90, 716528), (95, 678816), (96, 671745), (114, 565680), (120, 537396), (144, 447830), (152, 424260), (160, 403047), (171, 377120), (180, 358264), (190, 339408), (228, 282840), (240, 268698), (285, 226272), (288, 223915), (304, 212130), (342, 188560), (360, 179132), (380, 169704), (456, 141420), (480, 134349), (570, 113136), (608, 106065), (684, 94280), (720, 89566), (760, 84852), (855, 75424), (912, 70710), (1140, 56568), (1368, 47140), (1440, 44783), (1520, 42426), (1710, 37712), (1824, 35355), (2280, 28284), (2357, 27360), (2736, 23570), (3040, 21213), (3420, 18856), (4560, 14142), (4714, 13680), (5472, 11785), (6840, 9428), (7071, 9120)]