81121110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:798

約数の個数: 128

約数和(自身を含む): 243523584

約数和(自身を除く): 162402474

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 31, 34, 35, 42, 51, 62, 70, 85, 93, 102, 105, 119, 155, 170, 186, 210, 217, 238, 255, 310, 357, 434, 465, 510, 527, 595, 651, 714, 733, 930, 1054, 1085, 1190, 1302, 1466, 1581, 1785, 2170, 2199, 2635, 3162, 3255, 3570, 3665, 3689, 4398, 5131, 5270, 6510, 7330, 7378, 7905, 10262, 10995, 11067, 12461, 15393, 15810, 18445, 21990, 22134, 22723, 24922, 25655, 30786, 36890, 37383, 45446, 51310, 55335, 62305, 68169, 74766, 76965, 87227, 110670, 113615, 124610, 136338, 153930, 159061, 174454, 186915, 227230, 261681, 318122, 340845, 373830, 386291, 436135, 477183, 523362, 681690, 772582, 795305, 872270, 954366, 1158873, 1308405, 1590610, 1931455, 2317746, 2385915, 2616810, 2704037, 3862910, 4771830, 5408074, 5794365, 8112111, 11588730, 13520185, 16224222, 27040370, 40560555, 81121110]

約数ペア:

[(1, 81121110), (2, 40560555), (3, 27040370), (5, 16224222), (6, 13520185), (7, 11588730), (10, 8112111), (14, 5794365), (15, 5408074), (17, 4771830), (21, 3862910), (30, 2704037), (31, 2616810), (34, 2385915), (35, 2317746), (42, 1931455), (51, 1590610), (62, 1308405), (70, 1158873), (85, 954366), (93, 872270), (102, 795305), (105, 772582), (119, 681690), (155, 523362), (170, 477183), (186, 436135), (210, 386291), (217, 373830), (238, 340845), (255, 318122), (310, 261681), (357, 227230), (434, 186915), (465, 174454), (510, 159061), (527, 153930), (595, 136338), (651, 124610), (714, 113615), (733, 110670), (930, 87227), (1054, 76965), (1085, 74766), (1190, 68169), (1302, 62305), (1466, 55335), (1581, 51310), (1785, 45446), (2170, 37383), (2199, 36890), (2635, 30786), (3162, 25655), (3255, 24922), (3570, 22723), (3665, 22134), (3689, 21990), (4398, 18445), (5131, 15810), (5270, 15393), (6510, 12461), (7330, 11067), (7378, 10995), (7905, 10262)]