217812960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 216

約数和(自身を含む): 786338280

約数和(自身を除く): 568525320

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, 361, 380, 419, 456, 480, 570, 608, 684, 720, 722, 760, 838, 855, 912, 1083, 1140, 1257, 1368, 1440, 1444, 1520, 1676, 1710, 1805, 1824, 2095, 2166, 2280, 2514, 2736, 2888, 3040, 3249, 3352, 3420, 3610, 3771, 4190, 4332, 4560, 5028, 5415, 5472, 5776, 6285, 6498, 6704, 6840, 7220, 7542, 7961, 8380, 8664, 9120, 10056, 10830, 11552, 12570, 12996, 13408, 13680, 14440, 15084, 15922, 16245, 16760, 17328, 18855, 20112, 21660, 23883, 25140, 25992, 27360, 28880, 30168, 31844, 32490, 33520, 34656, 37710, 39805, 40224, 43320, 47766, 50280, 51984, 57760, 60336, 63688, 64980, 67040, 71649, 75420, 79610, 86640, 95532, 100560, 103968, 119415, 120672, 127376, 129960, 143298, 150840, 151259, 159220, 173280, 191064, 201120, 238830, 254752, 259920, 286596, 301680, 302518, 318440, 358245, 382128, 453777, 477660, 519840, 573192, 603360, 605036, 636880, 716490, 756295, 764256, 907554, 955320, 1146384, 1210072, 1273760, 1361331, 1432980, 1512590, 1815108, 1910640, 2268885, 2292768, 2420144, 2722662, 2865960, 3025180, 3630216, 3821280, 4537770, 4840288, 5445324, 5731920, 6050360, 6806655, 7260432, 9075540, 10890648, 11463840, 12100720, 13613310, 14520864, 18151080, 21781296, 24201440, 27226620, 36302160, 43562592, 54453240, 72604320, 108906480, 217812960]

約数ペア:

[(1, 217812960), (2, 108906480), (3, 72604320), (4, 54453240), (5, 43562592), (6, 36302160), (8, 27226620), (9, 24201440), (10, 21781296), (12, 18151080), (15, 14520864), (16, 13613310), (18, 12100720), (19, 11463840), (20, 10890648), (24, 9075540), (30, 7260432), (32, 6806655), (36, 6050360), (38, 5731920), (40, 5445324), (45, 4840288), (48, 4537770), (57, 3821280), (60, 3630216), (72, 3025180), (76, 2865960), (80, 2722662), (90, 2420144), (95, 2292768), (96, 2268885), (114, 1910640), (120, 1815108), (144, 1512590), (152, 1432980), (160, 1361331), (171, 1273760), (180, 1210072), (190, 1146384), (228, 955320), (240, 907554), (285, 764256), (288, 756295), (304, 716490), (342, 636880), (360, 605036), (361, 603360), (380, 573192), (419, 519840), (456, 477660), (480, 453777), (570, 382128), (608, 358245), (684, 318440), (720, 302518), (722, 301680), (760, 286596), (838, 259920), (855, 254752), (912, 238830), (1083, 201120), (1140, 191064), (1257, 173280), (1368, 159220), (1440, 151259), (1444, 150840), (1520, 143298), (1676, 129960), (1710, 127376), (1805, 120672), (1824, 119415), (2095, 103968), (2166, 100560), (2280, 95532), (2514, 86640), (2736, 79610), (2888, 75420), (3040, 71649), (3249, 67040), (3352, 64980), (3420, 63688), (3610, 60336), (3771, 57760), (4190, 51984), (4332, 50280), (4560, 47766), (5028, 43320), (5415, 40224), (5472, 39805), (5776, 37710), (6285, 34656), (6498, 33520), (6704, 32490), (6840, 31844), (7220, 30168), (7542, 28880), (7961, 27360), (8380, 25992), (8664, 25140), (9120, 23883), (10056, 21660), (10830, 20112), (11552, 18855), (12570, 17328), (12996, 16760), (13408, 16245), (13680, 15922), (14440, 15084)]