78210828

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 203439600

約数和(自身を除く): 125228772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 179, 212, 229, 318, 358, 458, 477, 537, 636, 687, 716, 916, 954, 1074, 1374, 1611, 1908, 2061, 2148, 2748, 3222, 4122, 6444, 8244, 9487, 12137, 18974, 24274, 28461, 36411, 37948, 40991, 48548, 56922, 72822, 81982, 85383, 109233, 113844, 122973, 145644, 163964, 170766, 218466, 245946, 341532, 368919, 436932, 491892, 737838, 1475676, 2172523, 4345046, 6517569, 8690092, 13035138, 19552707, 26070276, 39105414, 78210828]

約数ペア:

[(1, 78210828), (2, 39105414), (3, 26070276), (4, 19552707), (6, 13035138), (9, 8690092), (12, 6517569), (18, 4345046), (36, 2172523), (53, 1475676), (106, 737838), (159, 491892), (179, 436932), (212, 368919), (229, 341532), (318, 245946), (358, 218466), (458, 170766), (477, 163964), (537, 145644), (636, 122973), (687, 113844), (716, 109233), (916, 85383), (954, 81982), (1074, 72822), (1374, 56922), (1611, 48548), (1908, 40991), (2061, 37948), (2148, 36411), (2748, 28461), (3222, 24274), (4122, 18974), (6444, 12137), (8244, 9487)]