170889420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:944

約数の個数: 144

約数和(自身を含む): 546013440

約数和(自身を除く): 375124020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 169, 190, 195, 228, 247, 260, 285, 338, 380, 390, 494, 507, 570, 676, 741, 780, 845, 887, 988, 1014, 1140, 1235, 1482, 1690, 1774, 2028, 2470, 2535, 2661, 2964, 3211, 3380, 3548, 3705, 4435, 4940, 5070, 5322, 6422, 7410, 8870, 9633, 10140, 10644, 11531, 12844, 13305, 14820, 16055, 16853, 17740, 19266, 23062, 26610, 32110, 33706, 34593, 38532, 46124, 48165, 50559, 53220, 57655, 64220, 67412, 69186, 84265, 96330, 101118, 115310, 138372, 149903, 168530, 172965, 192660, 202236, 219089, 230620, 252795, 299806, 337060, 345930, 438178, 449709, 505590, 599612, 657267, 691860, 749515, 876356, 899418, 1011180, 1095445, 1314534, 1499030, 1798836, 2190890, 2248545, 2629068, 2848157, 2998060, 3286335, 4381780, 4497090, 5696314, 6572670, 8544471, 8994180, 11392628, 13145340, 14240785, 17088942, 28481570, 34177884, 42722355, 56963140, 85444710, 170889420]

約数ペア:

[(1, 170889420), (2, 85444710), (3, 56963140), (4, 42722355), (5, 34177884), (6, 28481570), (10, 17088942), (12, 14240785), (13, 13145340), (15, 11392628), (19, 8994180), (20, 8544471), (26, 6572670), (30, 5696314), (38, 4497090), (39, 4381780), (52, 3286335), (57, 2998060), (60, 2848157), (65, 2629068), (76, 2248545), (78, 2190890), (95, 1798836), (114, 1499030), (130, 1314534), (156, 1095445), (169, 1011180), (190, 899418), (195, 876356), (228, 749515), (247, 691860), (260, 657267), (285, 599612), (338, 505590), (380, 449709), (390, 438178), (494, 345930), (507, 337060), (570, 299806), (676, 252795), (741, 230620), (780, 219089), (845, 202236), (887, 192660), (988, 172965), (1014, 168530), (1140, 149903), (1235, 138372), (1482, 115310), (1690, 101118), (1774, 96330), (2028, 84265), (2470, 69186), (2535, 67412), (2661, 64220), (2964, 57655), (3211, 53220), (3380, 50559), (3548, 48165), (3705, 46124), (4435, 38532), (4940, 34593), (5070, 33706), (5322, 32110), (6422, 26610), (7410, 23062), (8870, 19266), (9633, 17740), (10140, 16853), (10644, 16055), (11531, 14820), (12844, 13305)]