31541510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 80123904

約数和(自身を除く): 48582394

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 23, 26, 35, 46, 55, 65, 70, 77, 91, 110, 115, 130, 137, 143, 154, 161, 182, 230, 253, 274, 286, 299, 322, 385, 455, 506, 598, 685, 715, 770, 805, 910, 959, 1001, 1265, 1370, 1430, 1495, 1507, 1610, 1771, 1781, 1918, 2002, 2093, 2530, 2990, 3014, 3151, 3289, 3542, 3562, 4186, 4795, 5005, 6302, 6578, 7535, 8855, 8905, 9590, 10010, 10465, 10549, 12467, 15070, 15755, 16445, 17710, 17810, 19591, 20930, 21098, 22057, 23023, 24934, 31510, 32890, 34661, 39182, 40963, 44114, 46046, 52745, 62335, 69322, 81926, 97955, 105490, 110285, 115115, 124670, 137137, 173305, 195910, 204815, 220570, 230230, 242627, 274274, 286741, 346610, 409630, 450593, 485254, 573482, 685685, 901186, 1213135, 1371370, 1433705, 2252965, 2426270, 2867410, 3154151, 4505930, 6308302, 15770755, 31541510]

約数ペア:

[(1, 31541510), (2, 15770755), (5, 6308302), (7, 4505930), (10, 3154151), (11, 2867410), (13, 2426270), (14, 2252965), (22, 1433705), (23, 1371370), (26, 1213135), (35, 901186), (46, 685685), (55, 573482), (65, 485254), (70, 450593), (77, 409630), (91, 346610), (110, 286741), (115, 274274), (130, 242627), (137, 230230), (143, 220570), (154, 204815), (161, 195910), (182, 173305), (230, 137137), (253, 124670), (274, 115115), (286, 110285), (299, 105490), (322, 97955), (385, 81926), (455, 69322), (506, 62335), (598, 52745), (685, 46046), (715, 44114), (770, 40963), (805, 39182), (910, 34661), (959, 32890), (1001, 31510), (1265, 24934), (1370, 23023), (1430, 22057), (1495, 21098), (1507, 20930), (1610, 19591), (1771, 17810), (1781, 17710), (1918, 16445), (2002, 15755), (2093, 15070), (2530, 12467), (2990, 10549), (3014, 10465), (3151, 10010), (3289, 9590), (3542, 8905), (3562, 8855), (4186, 7535), (4795, 6578), (5005, 6302)]