123640400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 180

約数和(自身を含む): 337656960

約数和(自身を除く): 214016560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 59, 62, 65, 80, 100, 104, 118, 124, 130, 155, 169, 200, 208, 236, 248, 260, 295, 310, 325, 338, 400, 403, 472, 496, 520, 590, 620, 650, 676, 767, 775, 806, 845, 944, 1040, 1180, 1240, 1300, 1352, 1475, 1534, 1550, 1612, 1690, 1829, 2015, 2360, 2480, 2600, 2704, 2950, 3068, 3100, 3224, 3380, 3658, 3835, 4030, 4225, 4720, 5200, 5239, 5900, 6136, 6200, 6448, 6760, 7316, 7670, 8060, 8450, 9145, 9971, 10075, 10478, 11800, 12272, 12400, 13520, 14632, 15340, 16120, 16900, 18290, 19175, 19942, 20150, 20956, 23600, 23777, 26195, 29264, 30680, 32240, 33800, 36580, 38350, 39884, 40300, 41912, 45725, 47554, 49855, 52390, 61360, 67600, 73160, 76700, 79768, 80600, 83824, 91450, 95108, 99710, 104780, 118885, 130975, 146320, 153400, 159536, 161200, 182900, 190216, 199420, 209560, 237770, 249275, 261950, 306800, 309101, 365800, 380432, 398840, 419120, 475540, 498550, 523900, 594425, 618202, 731600, 797680, 951080, 997100, 1047800, 1188850, 1236404, 1545505, 1902160, 1994200, 2095600, 2377700, 2472808, 3091010, 3988400, 4755400, 4945616, 6182020, 7727525, 9510800, 12364040, 15455050, 24728080, 30910100, 61820200, 123640400]

約数ペア:

[(1, 123640400), (2, 61820200), (4, 30910100), (5, 24728080), (8, 15455050), (10, 12364040), (13, 9510800), (16, 7727525), (20, 6182020), (25, 4945616), (26, 4755400), (31, 3988400), (40, 3091010), (50, 2472808), (52, 2377700), (59, 2095600), (62, 1994200), (65, 1902160), (80, 1545505), (100, 1236404), (104, 1188850), (118, 1047800), (124, 997100), (130, 951080), (155, 797680), (169, 731600), (200, 618202), (208, 594425), (236, 523900), (248, 498550), (260, 475540), (295, 419120), (310, 398840), (325, 380432), (338, 365800), (400, 309101), (403, 306800), (472, 261950), (496, 249275), (520, 237770), (590, 209560), (620, 199420), (650, 190216), (676, 182900), (767, 161200), (775, 159536), (806, 153400), (845, 146320), (944, 130975), (1040, 118885), (1180, 104780), (1240, 99710), (1300, 95108), (1352, 91450), (1475, 83824), (1534, 80600), (1550, 79768), (1612, 76700), (1690, 73160), (1829, 67600), (2015, 61360), (2360, 52390), (2480, 49855), (2600, 47554), (2704, 45725), (2950, 41912), (3068, 40300), (3100, 39884), (3224, 38350), (3380, 36580), (3658, 33800), (3835, 32240), (4030, 30680), (4225, 29264), (4720, 26195), (5200, 23777), (5239, 23600), (5900, 20956), (6136, 20150), (6200, 19942), (6448, 19175), (6760, 18290), (7316, 16900), (7670, 16120), (8060, 15340), (8450, 14632), (9145, 13520), (9971, 12400), (10075, 12272), (10478, 11800)]