1278931040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 192

約数和(自身を含む): 3373332480

約数和(自身を除く): 2094401440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 41, 62, 76, 80, 82, 95, 124, 152, 155, 160, 164, 190, 205, 248, 304, 310, 328, 331, 380, 410, 496, 589, 608, 620, 656, 662, 760, 779, 820, 992, 1178, 1240, 1271, 1312, 1324, 1520, 1558, 1640, 1655, 2356, 2480, 2542, 2648, 2945, 3040, 3116, 3280, 3310, 3895, 4712, 4960, 5084, 5296, 5890, 6232, 6289, 6355, 6560, 6620, 7790, 9424, 10168, 10261, 10592, 11780, 12464, 12578, 12710, 13240, 13571, 15580, 18848, 20336, 20522, 23560, 24149, 24928, 25156, 25420, 26480, 27142, 31160, 31445, 40672, 41044, 47120, 48298, 50312, 50840, 51305, 52960, 54284, 62320, 62890, 67855, 82088, 94240, 96596, 100624, 101680, 102610, 108568, 120745, 124640, 125780, 135710, 164176, 193192, 194959, 201248, 203360, 205220, 217136, 241490, 251560, 257849, 271420, 328352, 386384, 389918, 410440, 420701, 434272, 482980, 503120, 515698, 542840, 772768, 779836, 820880, 841402, 965960, 974795, 1006240, 1031396, 1085680, 1289245, 1559672, 1641760, 1682804, 1931920, 1949590, 2062792, 2103505, 2171360, 2578490, 3119344, 3365608, 3863840, 3899180, 4125584, 4207010, 5156980, 6238688, 6731216, 7798360, 7993319, 8251168, 8414020, 10313960, 13462432, 15596720, 15986638, 16828040, 20627920, 31193440, 31973276, 33656080, 39966595, 41255840, 63946552, 67312160, 79933190, 127893104, 159866380, 255786208, 319732760, 639465520, 1278931040]

約数ペア:

[(1, 1278931040), (2, 639465520), (4, 319732760), (5, 255786208), (8, 159866380), (10, 127893104), (16, 79933190), (19, 67312160), (20, 63946552), (31, 41255840), (32, 39966595), (38, 33656080), (40, 31973276), (41, 31193440), (62, 20627920), (76, 16828040), (80, 15986638), (82, 15596720), (95, 13462432), (124, 10313960), (152, 8414020), (155, 8251168), (160, 7993319), (164, 7798360), (190, 6731216), (205, 6238688), (248, 5156980), (304, 4207010), (310, 4125584), (328, 3899180), (331, 3863840), (380, 3365608), (410, 3119344), (496, 2578490), (589, 2171360), (608, 2103505), (620, 2062792), (656, 1949590), (662, 1931920), (760, 1682804), (779, 1641760), (820, 1559672), (992, 1289245), (1178, 1085680), (1240, 1031396), (1271, 1006240), (1312, 974795), (1324, 965960), (1520, 841402), (1558, 820880), (1640, 779836), (1655, 772768), (2356, 542840), (2480, 515698), (2542, 503120), (2648, 482980), (2945, 434272), (3040, 420701), (3116, 410440), (3280, 389918), (3310, 386384), (3895, 328352), (4712, 271420), (4960, 257849), (5084, 251560), (5296, 241490), (5890, 217136), (6232, 205220), (6289, 203360), (6355, 201248), (6560, 194959), (6620, 193192), (7790, 164176), (9424, 135710), (10168, 125780), (10261, 124640), (10592, 120745), (11780, 108568), (12464, 102610), (12578, 101680), (12710, 100624), (13240, 96596), (13571, 94240), (15580, 82088), (18848, 67855), (20336, 62890), (20522, 62320), (23560, 54284), (24149, 52960), (24928, 51305), (25156, 50840), (25420, 50312), (26480, 48298), (27142, 47120), (31160, 41044), (31445, 40672)]