1287321420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:461

約数の個数: 288

約数和(自身を含む): 4603221504

約数和(自身を除く): 3315900084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 73, 77, 84, 105, 110, 121, 132, 140, 146, 154, 165, 210, 219, 220, 231, 242, 292, 308, 330, 347, 363, 365, 385, 420, 438, 462, 484, 511, 605, 660, 694, 726, 730, 770, 803, 847, 876, 924, 1022, 1041, 1095, 1155, 1210, 1388, 1452, 1460, 1533, 1540, 1606, 1694, 1735, 1815, 2044, 2082, 2190, 2310, 2409, 2420, 2429, 2541, 2555, 3066, 3212, 3388, 3470, 3630, 3817, 4015, 4164, 4235, 4380, 4620, 4818, 4858, 5082, 5110, 5205, 5621, 6132, 6940, 7260, 7287, 7634, 7665, 8030, 8470, 8833, 9636, 9716, 10164, 10220, 10410, 11242, 11451, 12045, 12145, 12705, 14574, 15268, 15330, 16060, 16863, 16940, 17666, 19085, 20820, 22484, 22902, 24090, 24290, 25331, 25410, 26499, 26719, 28105, 29148, 30660, 33726, 35332, 36435, 38170, 41987, 44165, 45804, 48180, 48580, 50662, 50820, 52998, 53438, 56210, 57255, 61831, 67452, 72870, 75993, 76340, 80157, 83974, 84315, 88330, 101324, 105996, 106876, 112420, 114510, 123662, 125961, 126655, 132495, 133595, 145740, 151986, 160314, 167948, 168630, 176660, 177317, 185493, 209935, 229020, 247324, 251922, 253310, 264990, 267190, 278641, 293909, 303972, 309155, 320628, 337260, 354634, 370986, 379965, 400785, 419870, 503844, 506620, 529980, 531951, 534380, 557282, 587818, 618310, 629805, 709268, 741972, 759930, 801570, 835923, 839740, 881727, 886585, 927465, 1063902, 1114564, 1175636, 1236620, 1259610, 1393205, 1469545, 1519860, 1603140, 1671846, 1763454, 1773170, 1854930, 1950487, 2127804, 2519220, 2659755, 2786410, 2939090, 3065051, 3343692, 3526908, 3546340, 3709860, 3900974, 4179615, 4408635, 5319510, 5572820, 5851461, 5878180, 6130102, 7801948, 8359230, 8817270, 9195153, 9752435, 10639020, 11702922, 12260204, 15325255, 16718460, 17634540, 18390306, 19504870, 21455357, 23405844, 29257305, 30650510, 36780612, 39009740, 42910714, 45975765, 58514610, 61301020, 64366071, 85821428, 91951530, 107276785, 117029220, 128732142, 183903060, 214553570, 257464284, 321830355, 429107140, 643660710, 1287321420]

約数ペア:

[(1, 1287321420), (2, 643660710), (3, 429107140), (4, 321830355), (5, 257464284), (6, 214553570), (7, 183903060), (10, 128732142), (11, 117029220), (12, 107276785), (14, 91951530), (15, 85821428), (20, 64366071), (21, 61301020), (22, 58514610), (28, 45975765), (30, 42910714), (33, 39009740), (35, 36780612), (42, 30650510), (44, 29257305), (55, 23405844), (60, 21455357), (66, 19504870), (70, 18390306), (73, 17634540), (77, 16718460), (84, 15325255), (105, 12260204), (110, 11702922), (121, 10639020), (132, 9752435), (140, 9195153), (146, 8817270), (154, 8359230), (165, 7801948), (210, 6130102), (219, 5878180), (220, 5851461), (231, 5572820), (242, 5319510), (292, 4408635), (308, 4179615), (330, 3900974), (347, 3709860), (363, 3546340), (365, 3526908), (385, 3343692), (420, 3065051), (438, 2939090), (462, 2786410), (484, 2659755), (511, 2519220), (605, 2127804), (660, 1950487), (694, 1854930), (726, 1773170), (730, 1763454), (770, 1671846), (803, 1603140), (847, 1519860), (876, 1469545), (924, 1393205), (1022, 1259610), (1041, 1236620), (1095, 1175636), (1155, 1114564), (1210, 1063902), (1388, 927465), (1452, 886585), (1460, 881727), (1533, 839740), (1540, 835923), (1606, 801570), (1694, 759930), (1735, 741972), (1815, 709268), (2044, 629805), (2082, 618310), (2190, 587818), (2310, 557282), (2409, 534380), (2420, 531951), (2429, 529980), (2541, 506620), (2555, 503844), (3066, 419870), (3212, 400785), (3388, 379965), (3470, 370986), (3630, 354634), (3817, 337260), (4015, 320628), (4164, 309155), (4235, 303972), (4380, 293909), (4620, 278641), (4818, 267190), (4858, 264990), (5082, 253310), (5110, 251922), (5205, 247324), (5621, 229020), (6132, 209935), (6940, 185493), (7260, 177317), (7287, 176660), (7634, 168630), (7665, 167948), (8030, 160314), (8470, 151986), (8833, 145740), (9636, 133595), (9716, 132495), (10164, 126655), (10220, 125961), (10410, 123662), (11242, 114510), (11451, 112420), (12045, 106876), (12145, 105996), (12705, 101324), (14574, 88330), (15268, 84315), (15330, 83974), (16060, 80157), (16863, 76340), (16940, 75993), (17666, 72870), (19085, 67452), (20820, 61831), (22484, 57255), (22902, 56210), (24090, 53438), (24290, 52998), (25331, 50820), (25410, 50662), (26499, 48580), (26719, 48180), (28105, 45804), (29148, 44165), (30660, 41987), (33726, 38170), (35332, 36435)]