28080252

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 76054160

約数和(自身を除く): 47973908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 549, 673, 684, 732, 1098, 1159, 1346, 2019, 2196, 2318, 2692, 3477, 4038, 4636, 6057, 6954, 8076, 10431, 12114, 12787, 13908, 20862, 24228, 25574, 38361, 41053, 41724, 51148, 76722, 82106, 115083, 123159, 153444, 164212, 230166, 246318, 369477, 460332, 492636, 738954, 780007, 1477908, 1560014, 2340021, 3120028, 4680042, 7020063, 9360084, 14040126, 28080252]

約数ペア:

[(1, 28080252), (2, 14040126), (3, 9360084), (4, 7020063), (6, 4680042), (9, 3120028), (12, 2340021), (18, 1560014), (19, 1477908), (36, 780007), (38, 738954), (57, 492636), (61, 460332), (76, 369477), (114, 246318), (122, 230166), (171, 164212), (183, 153444), (228, 123159), (244, 115083), (342, 82106), (366, 76722), (549, 51148), (673, 41724), (684, 41053), (732, 38361), (1098, 25574), (1159, 24228), (1346, 20862), (2019, 13908), (2196, 12787), (2318, 12114), (2692, 10431), (3477, 8076), (4038, 6954), (4636, 6057)]