281115120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8231

約数の個数: 160

約数和(自身を含む): 1023934464

約数和(自身を除く): 742819344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 624, 660, 715, 780, 858, 880, 1040, 1144, 1320, 1430, 1560, 1716, 2145, 2288, 2640, 2860, 3120, 3432, 4290, 5720, 6864, 8191, 8580, 11440, 16382, 17160, 24573, 32764, 34320, 40955, 49146, 65528, 81910, 90101, 98292, 106483, 122865, 131056, 163820, 180202, 196584, 212966, 245730, 270303, 319449, 327640, 360404, 393168, 425932, 450505, 491460, 532415, 540606, 638898, 655280, 720808, 851864, 901010, 982920, 1064830, 1081212, 1171313, 1277796, 1351515, 1441616, 1597245, 1703728, 1802020, 1965840, 2129660, 2162424, 2342626, 2555592, 2703030, 3194490, 3513939, 3604040, 4259320, 4324848, 4685252, 5111184, 5406060, 5856565, 6388980, 7027878, 7208080, 8518640, 9370504, 10812120, 11713130, 12777960, 14055756, 17569695, 18741008, 21624240, 23426260, 25555920, 28111512, 35139390, 46852520, 56223024, 70278780, 93705040, 140557560, 281115120]

約数ペア:

[(1, 281115120), (2, 140557560), (3, 93705040), (4, 70278780), (5, 56223024), (6, 46852520), (8, 35139390), (10, 28111512), (11, 25555920), (12, 23426260), (13, 21624240), (15, 18741008), (16, 17569695), (20, 14055756), (22, 12777960), (24, 11713130), (26, 10812120), (30, 9370504), (33, 8518640), (39, 7208080), (40, 7027878), (44, 6388980), (48, 5856565), (52, 5406060), (55, 5111184), (60, 4685252), (65, 4324848), (66, 4259320), (78, 3604040), (80, 3513939), (88, 3194490), (104, 2703030), (110, 2555592), (120, 2342626), (130, 2162424), (132, 2129660), (143, 1965840), (156, 1802020), (165, 1703728), (176, 1597245), (195, 1441616), (208, 1351515), (220, 1277796), (240, 1171313), (260, 1081212), (264, 1064830), (286, 982920), (312, 901010), (330, 851864), (390, 720808), (429, 655280), (440, 638898), (520, 540606), (528, 532415), (572, 491460), (624, 450505), (660, 425932), (715, 393168), (780, 360404), (858, 327640), (880, 319449), (1040, 270303), (1144, 245730), (1320, 212966), (1430, 196584), (1560, 180202), (1716, 163820), (2145, 131056), (2288, 122865), (2640, 106483), (2860, 98292), (3120, 90101), (3432, 81910), (4290, 65528), (5720, 49146), (6864, 40955), (8191, 34320), (8580, 32764), (11440, 24573), (16382, 17160)]