64016820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 236605824

約数和(自身を除く): 172589004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 47, 60, 63, 69, 70, 84, 90, 92, 94, 105, 115, 126, 138, 140, 141, 161, 180, 188, 207, 210, 230, 235, 252, 276, 282, 315, 322, 329, 345, 414, 420, 423, 460, 470, 483, 564, 630, 644, 658, 690, 705, 805, 828, 846, 940, 966, 987, 1035, 1081, 1260, 1316, 1380, 1410, 1449, 1610, 1645, 1692, 1932, 1974, 2070, 2115, 2162, 2209, 2415, 2820, 2898, 2961, 3220, 3243, 3290, 3948, 4140, 4230, 4324, 4418, 4830, 4935, 5405, 5796, 5922, 6486, 6580, 6627, 7245, 7567, 8460, 8836, 9660, 9729, 9870, 10810, 11045, 11844, 12972, 13254, 14490, 14805, 15134, 15463, 16215, 19458, 19740, 19881, 21620, 22090, 22701, 26508, 28980, 29610, 30268, 30926, 32430, 33135, 37835, 38916, 39762, 44180, 45402, 46389, 48645, 50807, 59220, 61852, 64860, 66270, 68103, 75670, 77315, 79524, 90804, 92778, 97290, 99405, 101614, 113505, 132540, 136206, 139167, 151340, 152421, 154630, 185556, 194580, 198810, 203228, 227010, 231945, 254035, 272412, 278334, 304842, 309260, 340515, 355649, 397620, 454020, 457263, 463890, 508070, 556668, 609684, 681030, 695835, 711298, 762105, 914526, 927780, 1016140, 1066947, 1362060, 1391670, 1422596, 1524210, 1778245, 1829052, 2133894, 2286315, 2783340, 3048420, 3200841, 3556490, 4267788, 4572630, 5334735, 6401682, 7112980, 9145260, 10669470, 12803364, 16004205, 21338940, 32008410, 64016820]

約数ペア:

[(1, 64016820), (2, 32008410), (3, 21338940), (4, 16004205), (5, 12803364), (6, 10669470), (7, 9145260), (9, 7112980), (10, 6401682), (12, 5334735), (14, 4572630), (15, 4267788), (18, 3556490), (20, 3200841), (21, 3048420), (23, 2783340), (28, 2286315), (30, 2133894), (35, 1829052), (36, 1778245), (42, 1524210), (45, 1422596), (46, 1391670), (47, 1362060), (60, 1066947), (63, 1016140), (69, 927780), (70, 914526), (84, 762105), (90, 711298), (92, 695835), (94, 681030), (105, 609684), (115, 556668), (126, 508070), (138, 463890), (140, 457263), (141, 454020), (161, 397620), (180, 355649), (188, 340515), (207, 309260), (210, 304842), (230, 278334), (235, 272412), (252, 254035), (276, 231945), (282, 227010), (315, 203228), (322, 198810), (329, 194580), (345, 185556), (414, 154630), (420, 152421), (423, 151340), (460, 139167), (470, 136206), (483, 132540), (564, 113505), (630, 101614), (644, 99405), (658, 97290), (690, 92778), (705, 90804), (805, 79524), (828, 77315), (846, 75670), (940, 68103), (966, 66270), (987, 64860), (1035, 61852), (1081, 59220), (1260, 50807), (1316, 48645), (1380, 46389), (1410, 45402), (1449, 44180), (1610, 39762), (1645, 38916), (1692, 37835), (1932, 33135), (1974, 32430), (2070, 30926), (2115, 30268), (2162, 29610), (2209, 28980), (2415, 26508), (2820, 22701), (2898, 22090), (2961, 21620), (3220, 19881), (3243, 19740), (3290, 19458), (3948, 16215), (4140, 15463), (4230, 15134), (4324, 14805), (4418, 14490), (4830, 13254), (4935, 12972), (5405, 11844), (5796, 11045), (5922, 10810), (6486, 9870), (6580, 9729), (6627, 9660), (7245, 8836), (7567, 8460)]