1687140720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6491}}^1$

素因数の和:6548

約数の個数: 180

約数和(自身を含む): 5980806936

約数和(自身を除く): 4293666216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 361, 380, 456, 570, 684, 720, 722, 760, 855, 912, 1083, 1140, 1368, 1444, 1520, 1710, 1805, 2166, 2280, 2736, 2888, 3249, 3420, 3610, 4332, 4560, 5415, 5776, 6491, 6498, 6840, 7220, 8664, 10830, 12982, 12996, 13680, 14440, 16245, 17328, 19473, 21660, 25964, 25992, 28880, 32455, 32490, 38946, 43320, 51928, 51984, 58419, 64910, 64980, 77892, 86640, 97365, 103856, 116838, 123329, 129820, 129960, 155784, 194730, 233676, 246658, 259640, 259920, 292095, 311568, 369987, 389460, 467352, 493316, 519280, 584190, 616645, 739974, 778920, 934704, 986632, 1109961, 1168380, 1233290, 1479948, 1557840, 1849935, 1973264, 2219922, 2336760, 2343251, 2466580, 2959896, 3699870, 4439844, 4673520, 4686502, 4933160, 5549805, 5919792, 7029753, 7399740, 8879688, 9373004, 9866320, 11099610, 11716255, 14059506, 14799480, 17759376, 18746008, 21089259, 22199220, 23432510, 28119012, 29598960, 35148765, 37492016, 42178518, 44398440, 46865020, 56238024, 70297530, 84357036, 88796880, 93730040, 105446295, 112476048, 140595060, 168714072, 187460080, 210892590, 281190120, 337428144, 421785180, 562380240, 843570360, 1687140720]

約数ペア:

[(1, 1687140720), (2, 843570360), (3, 562380240), (4, 421785180), (5, 337428144), (6, 281190120), (8, 210892590), (9, 187460080), (10, 168714072), (12, 140595060), (15, 112476048), (16, 105446295), (18, 93730040), (19, 88796880), (20, 84357036), (24, 70297530), (30, 56238024), (36, 46865020), (38, 44398440), (40, 42178518), (45, 37492016), (48, 35148765), (57, 29598960), (60, 28119012), (72, 23432510), (76, 22199220), (80, 21089259), (90, 18746008), (95, 17759376), (114, 14799480), (120, 14059506), (144, 11716255), (152, 11099610), (171, 9866320), (180, 9373004), (190, 8879688), (228, 7399740), (240, 7029753), (285, 5919792), (304, 5549805), (342, 4933160), (360, 4686502), (361, 4673520), (380, 4439844), (456, 3699870), (570, 2959896), (684, 2466580), (720, 2343251), (722, 2336760), (760, 2219922), (855, 1973264), (912, 1849935), (1083, 1557840), (1140, 1479948), (1368, 1233290), (1444, 1168380), (1520, 1109961), (1710, 986632), (1805, 934704), (2166, 778920), (2280, 739974), (2736, 616645), (2888, 584190), (3249, 519280), (3420, 493316), (3610, 467352), (4332, 389460), (4560, 369987), (5415, 311568), (5776, 292095), (6491, 259920), (6498, 259640), (6840, 246658), (7220, 233676), (8664, 194730), (10830, 155784), (12982, 129960), (12996, 129820), (13680, 123329), (14440, 116838), (16245, 103856), (17328, 97365), (19473, 86640), (21660, 77892), (25964, 64980), (25992, 64910), (28880, 58419), (32455, 51984), (32490, 51928), (38946, 43320)]