642647940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 2162184192

約数和(自身を除く): 1519536252

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 41, 44, 51, 55, 60, 66, 68, 82, 85, 102, 110, 121, 123, 127, 132, 164, 165, 170, 187, 204, 205, 220, 242, 246, 254, 255, 330, 340, 363, 374, 381, 410, 451, 484, 492, 508, 510, 561, 605, 615, 635, 660, 697, 726, 748, 762, 820, 902, 935, 1020, 1122, 1210, 1230, 1270, 1353, 1394, 1397, 1452, 1524, 1804, 1815, 1870, 1905, 2057, 2091, 2159, 2244, 2255, 2420, 2460, 2540, 2706, 2788, 2794, 2805, 3485, 3630, 3740, 3810, 4114, 4182, 4191, 4318, 4510, 4961, 5207, 5412, 5588, 5610, 6171, 6477, 6765, 6970, 6985, 7260, 7620, 7667, 8228, 8364, 8382, 8636, 9020, 9922, 10285, 10414, 10455, 10795, 11220, 12342, 12954, 13530, 13940, 13970, 14883, 15334, 15367, 15621, 16764, 19844, 20570, 20828, 20910, 20955, 21590, 23001, 23749, 24684, 24805, 25908, 26035, 27060, 27940, 29766, 30668, 30734, 30855, 31242, 32385, 38335, 41140, 41820, 41910, 43180, 46002, 46101, 47498, 49610, 52070, 57277, 59532, 61468, 61710, 62484, 64770, 71247, 74415, 76670, 76835, 78105, 83820, 84337, 88519, 92004, 92202, 94996, 99220, 104140, 114554, 115005, 118745, 123420, 129540, 142494, 148830, 153340, 153670, 156210, 168674, 171831, 177038, 184404, 229108, 230010, 230505, 237490, 253011, 261239, 265557, 284988, 286385, 297660, 307340, 312420, 337348, 343662, 354076, 356235, 421685, 442595, 460020, 461010, 474980, 506022, 522478, 531114, 572770, 630047, 687324, 712470, 783717, 843370, 859155, 885190, 922020, 973709, 1012044, 1044956, 1062228, 1145540, 1260094, 1265055, 1306195, 1327785, 1424940, 1567434, 1686740, 1718310, 1770380, 1890141, 1947418, 2520188, 2530110, 2612390, 2655570, 2921127, 3134868, 3150235, 3436620, 3780282, 3894836, 3918585, 4868545, 5060220, 5224780, 5311140, 5842254, 6300470, 7560564, 7837170, 9450705, 9737090, 10710799, 11684508, 12600940, 14605635, 15674340, 18901410, 19474180, 21421598, 29211270, 32132397, 37802820, 42843196, 53553995, 58422540, 64264794, 107107990, 128529588, 160661985, 214215980, 321323970, 642647940]

約数ペア:

[(1, 642647940), (2, 321323970), (3, 214215980), (4, 160661985), (5, 128529588), (6, 107107990), (10, 64264794), (11, 58422540), (12, 53553995), (15, 42843196), (17, 37802820), (20, 32132397), (22, 29211270), (30, 21421598), (33, 19474180), (34, 18901410), (41, 15674340), (44, 14605635), (51, 12600940), (55, 11684508), (60, 10710799), (66, 9737090), (68, 9450705), (82, 7837170), (85, 7560564), (102, 6300470), (110, 5842254), (121, 5311140), (123, 5224780), (127, 5060220), (132, 4868545), (164, 3918585), (165, 3894836), (170, 3780282), (187, 3436620), (204, 3150235), (205, 3134868), (220, 2921127), (242, 2655570), (246, 2612390), (254, 2530110), (255, 2520188), (330, 1947418), (340, 1890141), (363, 1770380), (374, 1718310), (381, 1686740), (410, 1567434), (451, 1424940), (484, 1327785), (492, 1306195), (508, 1265055), (510, 1260094), (561, 1145540), (605, 1062228), (615, 1044956), (635, 1012044), (660, 973709), (697, 922020), (726, 885190), (748, 859155), (762, 843370), (820, 783717), (902, 712470), (935, 687324), (1020, 630047), (1122, 572770), (1210, 531114), (1230, 522478), (1270, 506022), (1353, 474980), (1394, 461010), (1397, 460020), (1452, 442595), (1524, 421685), (1804, 356235), (1815, 354076), (1870, 343662), (1905, 337348), (2057, 312420), (2091, 307340), (2159, 297660), (2244, 286385), (2255, 284988), (2420, 265557), (2460, 261239), (2540, 253011), (2706, 237490), (2788, 230505), (2794, 230010), (2805, 229108), (3485, 184404), (3630, 177038), (3740, 171831), (3810, 168674), (4114, 156210), (4182, 153670), (4191, 153340), (4318, 148830), (4510, 142494), (4961, 129540), (5207, 123420), (5412, 118745), (5588, 115005), (5610, 114554), (6171, 104140), (6477, 99220), (6765, 94996), (6970, 92202), (6985, 92004), (7260, 88519), (7620, 84337), (7667, 83820), (8228, 78105), (8364, 76835), (8382, 76670), (8636, 74415), (9020, 71247), (9922, 64770), (10285, 62484), (10414, 61710), (10455, 61468), (10795, 59532), (11220, 57277), (12342, 52070), (12954, 49610), (13530, 47498), (13940, 46101), (13970, 46002), (14883, 43180), (15334, 41910), (15367, 41820), (15621, 41140), (16764, 38335), (19844, 32385), (20570, 31242), (20828, 30855), (20910, 30734), (20955, 30668), (21590, 29766), (23001, 27940), (23749, 27060), (24684, 26035), (24805, 25908)]