656417580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{120223}}^1$

素因数の和:120255

約数の個数: 96

約数和(自身を含む): 2262134784

約数和(自身を除く): 1605717204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 120223, 240446, 360669, 480892, 601115, 721338, 841561, 1202230, 1442676, 1562899, 1683122, 1803345, 2404460, 2524683, 3125798, 3366244, 3606690, 4207805, 4688697, 5049366, 6251596, 7213380, 7814495, 8415610, 9377394, 10098732, 10940293, 12623415, 15628990, 16831220, 18754788, 21880586, 23443485, 25246830, 31257980, 32820879, 43761172, 46886970, 50493660, 54701465, 65641758, 93773940, 109402930, 131283516, 164104395, 218805860, 328208790, 656417580]

約数ペア:

[(1, 656417580), (2, 328208790), (3, 218805860), (4, 164104395), (5, 131283516), (6, 109402930), (7, 93773940), (10, 65641758), (12, 54701465), (13, 50493660), (14, 46886970), (15, 43761172), (20, 32820879), (21, 31257980), (26, 25246830), (28, 23443485), (30, 21880586), (35, 18754788), (39, 16831220), (42, 15628990), (52, 12623415), (60, 10940293), (65, 10098732), (70, 9377394), (78, 8415610), (84, 7814495), (91, 7213380), (105, 6251596), (130, 5049366), (140, 4688697), (156, 4207805), (182, 3606690), (195, 3366244), (210, 3125798), (260, 2524683), (273, 2404460), (364, 1803345), (390, 1683122), (420, 1562899), (455, 1442676), (546, 1202230), (780, 841561), (910, 721338), (1092, 601115), (1365, 480892), (1820, 360669), (2730, 240446), (5460, 120223)]