2131997880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{45439}}^1$

素因数の和:45493

約数の個数: 128

約数和(自身を含む): 7066828800

約数和(自身を除く): 4934830920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4692, 5865, 7820, 9384, 11730, 15640, 23460, 45439, 46920, 90878, 136317, 181756, 227195, 272634, 363512, 454390, 545268, 681585, 772463, 908780, 1045097, 1090536, 1363170, 1544926, 1817560, 2090194, 2317389, 2726340, 3089852, 3135291, 3862315, 4180388, 4634778, 5225485, 5452680, 6179704, 6270582, 7724630, 8360776, 9269556, 10450970, 11586945, 12541164, 15449260, 15676455, 17766649, 18539112, 20901940, 23173890, 25082328, 30898520, 31352910, 35533298, 41803880, 46347780, 53299947, 62705820, 71066596, 88833245, 92695560, 106599894, 125411640, 142133192, 177666490, 213199788, 266499735, 355332980, 426399576, 532999470, 710665960, 1065998940, 2131997880]

約数ペア:

[(1, 2131997880), (2, 1065998940), (3, 710665960), (4, 532999470), (5, 426399576), (6, 355332980), (8, 266499735), (10, 213199788), (12, 177666490), (15, 142133192), (17, 125411640), (20, 106599894), (23, 92695560), (24, 88833245), (30, 71066596), (34, 62705820), (40, 53299947), (46, 46347780), (51, 41803880), (60, 35533298), (68, 31352910), (69, 30898520), (85, 25082328), (92, 23173890), (102, 20901940), (115, 18539112), (120, 17766649), (136, 15676455), (138, 15449260), (170, 12541164), (184, 11586945), (204, 10450970), (230, 9269556), (255, 8360776), (276, 7724630), (340, 6270582), (345, 6179704), (391, 5452680), (408, 5225485), (460, 4634778), (510, 4180388), (552, 3862315), (680, 3135291), (690, 3089852), (782, 2726340), (920, 2317389), (1020, 2090194), (1173, 1817560), (1380, 1544926), (1564, 1363170), (1955, 1090536), (2040, 1045097), (2346, 908780), (2760, 772463), (3128, 681585), (3910, 545268), (4692, 454390), (5865, 363512), (7820, 272634), (9384, 227195), (11730, 181756), (15640, 136317), (23460, 90878), (45439, 46920)]