68522740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 180774720

約数和(自身を除く): 112251980

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 97, 110, 130, 143, 169, 190, 194, 209, 220, 247, 260, 286, 338, 380, 388, 418, 485, 494, 572, 676, 715, 836, 845, 970, 988, 1045, 1067, 1235, 1261, 1430, 1690, 1843, 1859, 1940, 2090, 2134, 2470, 2522, 2717, 2860, 3211, 3380, 3686, 3718, 4180, 4268, 4940, 5044, 5335, 5434, 6305, 6422, 7372, 7436, 9215, 9295, 10670, 10868, 12610, 12844, 13585, 13871, 16055, 16393, 18430, 18590, 20273, 21340, 23959, 25220, 27170, 27742, 32110, 32786, 35321, 36860, 37180, 40546, 47918, 54340, 55484, 64220, 65572, 69355, 70642, 81092, 81965, 95836, 101365, 119795, 138710, 141284, 163930, 176605, 180323, 202730, 239590, 263549, 277420, 311467, 327860, 353210, 360646, 405460, 479180, 527098, 622934, 706420, 721292, 901615, 1054196, 1245868, 1317745, 1557335, 1803230, 2635490, 3114670, 3426137, 3606460, 5270980, 6229340, 6852274, 13704548, 17130685, 34261370, 68522740]

約数ペア:

[(1, 68522740), (2, 34261370), (4, 17130685), (5, 13704548), (10, 6852274), (11, 6229340), (13, 5270980), (19, 3606460), (20, 3426137), (22, 3114670), (26, 2635490), (38, 1803230), (44, 1557335), (52, 1317745), (55, 1245868), (65, 1054196), (76, 901615), (95, 721292), (97, 706420), (110, 622934), (130, 527098), (143, 479180), (169, 405460), (190, 360646), (194, 353210), (209, 327860), (220, 311467), (247, 277420), (260, 263549), (286, 239590), (338, 202730), (380, 180323), (388, 176605), (418, 163930), (485, 141284), (494, 138710), (572, 119795), (676, 101365), (715, 95836), (836, 81965), (845, 81092), (970, 70642), (988, 69355), (1045, 65572), (1067, 64220), (1235, 55484), (1261, 54340), (1430, 47918), (1690, 40546), (1843, 37180), (1859, 36860), (1940, 35321), (2090, 32786), (2134, 32110), (2470, 27742), (2522, 27170), (2717, 25220), (2860, 23959), (3211, 21340), (3380, 20273), (3686, 18590), (3718, 18430), (4180, 16393), (4268, 16055), (4940, 13871), (5044, 13585), (5335, 12844), (5434, 12610), (6305, 10868), (6422, 10670), (7372, 9295), (7436, 9215)]