131422920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1$

素因数の和:2855

約数の個数: 128

約数和(自身を含む): 435767040

約数和(自身を除く): 304344120

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, 2801, 3128, 3910, 4692, 5602, 5865, 7820, 8403, 9384, 11204, 11730, 14005, 15640, 16806, 22408, 23460, 28010, 33612, 42015, 46920, 47617, 56020, 64423, 67224, 84030, 95234, 112040, 128846, 142851, 168060, 190468, 193269, 238085, 257692, 285702, 322115, 336120, 380936, 386538, 476170, 515384, 571404, 644230, 714255, 773076, 952340, 966345, 1095191, 1142808, 1288460, 1428510, 1546152, 1904680, 1932690, 2190382, 2576920, 2857020, 3285573, 3865380, 4380764, 5475955, 5714040, 6571146, 7730760, 8761528, 10951910, 13142292, 16427865, 21903820, 26284584, 32855730, 43807640, 65711460, 131422920]

約数ペア:

[(1, 131422920), (2, 65711460), (3, 43807640), (4, 32855730), (5, 26284584), (6, 21903820), (8, 16427865), (10, 13142292), (12, 10951910), (15, 8761528), (17, 7730760), (20, 6571146), (23, 5714040), (24, 5475955), (30, 4380764), (34, 3865380), (40, 3285573), (46, 2857020), (51, 2576920), (60, 2190382), (68, 1932690), (69, 1904680), (85, 1546152), (92, 1428510), (102, 1288460), (115, 1142808), (120, 1095191), (136, 966345), (138, 952340), (170, 773076), (184, 714255), (204, 644230), (230, 571404), (255, 515384), (276, 476170), (340, 386538), (345, 380936), (391, 336120), (408, 322115), (460, 285702), (510, 257692), (552, 238085), (680, 193269), (690, 190468), (782, 168060), (920, 142851), (1020, 128846), (1173, 112040), (1380, 95234), (1564, 84030), (1955, 67224), (2040, 64423), (2346, 56020), (2760, 47617), (2801, 46920), (3128, 42015), (3910, 33612), (4692, 28010), (5602, 23460), (5865, 22408), (7820, 16806), (8403, 15640), (9384, 14005), (11204, 11730)]