78858990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 249080832

約数和(自身を除く): 170221842

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 41, 42, 43, 45, 63, 70, 71, 82, 86, 90, 105, 123, 126, 129, 142, 205, 210, 213, 215, 246, 258, 287, 301, 315, 355, 369, 387, 410, 426, 430, 497, 574, 602, 615, 630, 639, 645, 710, 738, 774, 861, 903, 994, 1065, 1230, 1278, 1290, 1435, 1491, 1505, 1722, 1763, 1806, 1845, 1935, 2130, 2485, 2583, 2709, 2870, 2911, 2982, 3010, 3053, 3195, 3526, 3690, 3870, 4305, 4473, 4515, 4970, 5166, 5289, 5418, 5822, 6106, 6390, 7455, 8610, 8733, 8815, 8946, 9030, 9159, 10578, 12341, 12915, 13545, 14555, 14910, 15265, 15867, 17466, 17630, 18318, 20377, 21371, 22365, 24682, 25830, 26199, 26445, 27090, 27477, 29110, 30530, 31734, 37023, 40754, 42742, 43665, 44730, 45795, 52398, 52890, 54954, 61131, 61705, 64113, 74046, 79335, 87330, 91590, 101885, 106855, 111069, 122262, 123410, 125173, 128226, 130995, 137385, 158670, 183393, 185115, 192339, 203770, 213710, 222138, 250346, 261990, 274770, 305655, 320565, 366786, 370230, 375519, 384678, 555345, 611310, 625865, 641130, 751038, 876211, 916965, 961695, 1110690, 1126557, 1251730, 1752422, 1833930, 1877595, 1923390, 2253114, 2628633, 3755190, 4381055, 5257266, 5632785, 7885899, 8762110, 11265570, 13143165, 15771798, 26286330, 39429495, 78858990]

約数ペア:

[(1, 78858990), (2, 39429495), (3, 26286330), (5, 15771798), (6, 13143165), (7, 11265570), (9, 8762110), (10, 7885899), (14, 5632785), (15, 5257266), (18, 4381055), (21, 3755190), (30, 2628633), (35, 2253114), (41, 1923390), (42, 1877595), (43, 1833930), (45, 1752422), (63, 1251730), (70, 1126557), (71, 1110690), (82, 961695), (86, 916965), (90, 876211), (105, 751038), (123, 641130), (126, 625865), (129, 611310), (142, 555345), (205, 384678), (210, 375519), (213, 370230), (215, 366786), (246, 320565), (258, 305655), (287, 274770), (301, 261990), (315, 250346), (355, 222138), (369, 213710), (387, 203770), (410, 192339), (426, 185115), (430, 183393), (497, 158670), (574, 137385), (602, 130995), (615, 128226), (630, 125173), (639, 123410), (645, 122262), (710, 111069), (738, 106855), (774, 101885), (861, 91590), (903, 87330), (994, 79335), (1065, 74046), (1230, 64113), (1278, 61705), (1290, 61131), (1435, 54954), (1491, 52890), (1505, 52398), (1722, 45795), (1763, 44730), (1806, 43665), (1845, 42742), (1935, 40754), (2130, 37023), (2485, 31734), (2583, 30530), (2709, 29110), (2870, 27477), (2911, 27090), (2982, 26445), (3010, 26199), (3053, 25830), (3195, 24682), (3526, 22365), (3690, 21371), (3870, 20377), (4305, 18318), (4473, 17630), (4515, 17466), (4970, 15867), (5166, 15265), (5289, 14910), (5418, 14555), (5822, 13545), (6106, 12915), (6390, 12341), (7455, 10578), (8610, 9159), (8733, 9030), (8815, 8946)]