64603880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 168739200

約数和(自身を除く): 104135320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 61, 83, 88, 110, 116, 122, 145, 166, 220, 232, 244, 290, 305, 319, 332, 415, 440, 488, 580, 610, 638, 664, 671, 830, 913, 1160, 1220, 1276, 1342, 1595, 1660, 1769, 1826, 2407, 2440, 2552, 2684, 3190, 3320, 3355, 3538, 3652, 4565, 4814, 5063, 5368, 6380, 6710, 7076, 7304, 8845, 9130, 9628, 10126, 12035, 12760, 13420, 14152, 17690, 18260, 19256, 19459, 20252, 24070, 25315, 26477, 26840, 35380, 36520, 38918, 40504, 48140, 50630, 52954, 55693, 70760, 77836, 96280, 97295, 101260, 105908, 111386, 132385, 146827, 155672, 194590, 202520, 211816, 222772, 264770, 278465, 293654, 389180, 445544, 529540, 556930, 587308, 734135, 778360, 1059080, 1113860, 1174616, 1468270, 1615097, 2227720, 2936540, 3230194, 5873080, 6460388, 8075485, 12920776, 16150970, 32301940, 64603880]

約数ペア:

[(1, 64603880), (2, 32301940), (4, 16150970), (5, 12920776), (8, 8075485), (10, 6460388), (11, 5873080), (20, 3230194), (22, 2936540), (29, 2227720), (40, 1615097), (44, 1468270), (55, 1174616), (58, 1113860), (61, 1059080), (83, 778360), (88, 734135), (110, 587308), (116, 556930), (122, 529540), (145, 445544), (166, 389180), (220, 293654), (232, 278465), (244, 264770), (290, 222772), (305, 211816), (319, 202520), (332, 194590), (415, 155672), (440, 146827), (488, 132385), (580, 111386), (610, 105908), (638, 101260), (664, 97295), (671, 96280), (830, 77836), (913, 70760), (1160, 55693), (1220, 52954), (1276, 50630), (1342, 48140), (1595, 40504), (1660, 38918), (1769, 36520), (1826, 35380), (2407, 26840), (2440, 26477), (2552, 25315), (2684, 24070), (3190, 20252), (3320, 19459), (3355, 19256), (3538, 18260), (3652, 17690), (4565, 14152), (4814, 13420), (5063, 12760), (5368, 12035), (6380, 10126), (6710, 9628), (7076, 9130), (7304, 8845)]