64456140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 213712128

約数和(自身を除く): 149255988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 83, 84, 86, 105, 129, 140, 166, 172, 210, 215, 249, 258, 301, 332, 415, 420, 430, 498, 516, 581, 602, 645, 830, 860, 903, 996, 1162, 1204, 1245, 1290, 1505, 1660, 1743, 1806, 1849, 2324, 2490, 2580, 2905, 3010, 3486, 3569, 3612, 3698, 4515, 4980, 5547, 5810, 6020, 6972, 7138, 7396, 8715, 9030, 9245, 10707, 11094, 11620, 12943, 14276, 17430, 17845, 18060, 18490, 21414, 22188, 24983, 25886, 27735, 34860, 35690, 36980, 38829, 42828, 49966, 51772, 53535, 55470, 64715, 71380, 74949, 77658, 99932, 107070, 110940, 124915, 129430, 149898, 153467, 155316, 194145, 214140, 249830, 258860, 299796, 306934, 374745, 388290, 460401, 499660, 613868, 749490, 767335, 776580, 920802, 1074269, 1498980, 1534670, 1841604, 2148538, 2302005, 3069340, 3222807, 4297076, 4604010, 5371345, 6445614, 9208020, 10742690, 12891228, 16114035, 21485380, 32228070, 64456140]

約数ペア:

[(1, 64456140), (2, 32228070), (3, 21485380), (4, 16114035), (5, 12891228), (6, 10742690), (7, 9208020), (10, 6445614), (12, 5371345), (14, 4604010), (15, 4297076), (20, 3222807), (21, 3069340), (28, 2302005), (30, 2148538), (35, 1841604), (42, 1534670), (43, 1498980), (60, 1074269), (70, 920802), (83, 776580), (84, 767335), (86, 749490), (105, 613868), (129, 499660), (140, 460401), (166, 388290), (172, 374745), (210, 306934), (215, 299796), (249, 258860), (258, 249830), (301, 214140), (332, 194145), (415, 155316), (420, 153467), (430, 149898), (498, 129430), (516, 124915), (581, 110940), (602, 107070), (645, 99932), (830, 77658), (860, 74949), (903, 71380), (996, 64715), (1162, 55470), (1204, 53535), (1245, 51772), (1290, 49966), (1505, 42828), (1660, 38829), (1743, 36980), (1806, 35690), (1849, 34860), (2324, 27735), (2490, 25886), (2580, 24983), (2905, 22188), (3010, 21414), (3486, 18490), (3569, 18060), (3612, 17845), (3698, 17430), (4515, 14276), (4980, 12943), (5547, 11620), (5810, 11094), (6020, 10707), (6972, 9245), (7138, 9030), (7396, 8715)]