78717990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 222953472

約数和(自身を除く): 144235482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 102, 130, 155, 170, 186, 195, 221, 255, 310, 383, 390, 403, 442, 465, 510, 527, 663, 766, 806, 930, 1054, 1105, 1149, 1209, 1326, 1581, 1915, 2015, 2210, 2298, 2418, 2635, 3162, 3315, 3830, 4030, 4979, 5270, 5745, 6045, 6511, 6630, 6851, 7905, 9958, 11490, 11873, 12090, 13022, 13702, 14937, 15810, 19533, 20553, 23746, 24895, 29874, 32555, 34255, 35619, 39066, 41106, 49790, 59365, 65110, 68510, 71238, 74685, 84643, 97665, 102765, 118730, 149370, 154349, 169286, 178095, 195330, 201841, 205530, 253929, 308698, 356190, 403682, 423215, 463047, 507858, 605523, 771745, 846430, 926094, 1009205, 1211046, 1269645, 1543490, 2018410, 2315235, 2539290, 2623933, 3027615, 4630470, 5247866, 6055230, 7871799, 13119665, 15743598, 26239330, 39358995, 78717990]

約数ペア:

[(1, 78717990), (2, 39358995), (3, 26239330), (5, 15743598), (6, 13119665), (10, 7871799), (13, 6055230), (15, 5247866), (17, 4630470), (26, 3027615), (30, 2623933), (31, 2539290), (34, 2315235), (39, 2018410), (51, 1543490), (62, 1269645), (65, 1211046), (78, 1009205), (85, 926094), (93, 846430), (102, 771745), (130, 605523), (155, 507858), (170, 463047), (186, 423215), (195, 403682), (221, 356190), (255, 308698), (310, 253929), (383, 205530), (390, 201841), (403, 195330), (442, 178095), (465, 169286), (510, 154349), (527, 149370), (663, 118730), (766, 102765), (806, 97665), (930, 84643), (1054, 74685), (1105, 71238), (1149, 68510), (1209, 65110), (1326, 59365), (1581, 49790), (1915, 41106), (2015, 39066), (2210, 35619), (2298, 34255), (2418, 32555), (2635, 29874), (3162, 24895), (3315, 23746), (3830, 20553), (4030, 19533), (4979, 15810), (5270, 14937), (5745, 13702), (6045, 13022), (6511, 12090), (6630, 11873), (6851, 11490), (7905, 9958)]