248344740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 216

約数和(自身を含む): 901168632

約数和(自身を除く): 652823892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 180, 185, 196, 210, 222, 245, 252, 259, 294, 315, 333, 370, 420, 441, 444, 490, 518, 555, 588, 630, 666, 735, 740, 761, 777, 882, 980, 1036, 1110, 1260, 1295, 1332, 1470, 1522, 1554, 1665, 1764, 1813, 2205, 2220, 2283, 2331, 2590, 2940, 3044, 3108, 3330, 3626, 3805, 3885, 4410, 4566, 4662, 5180, 5327, 5439, 6660, 6849, 7252, 7610, 7770, 8820, 9065, 9132, 9324, 10654, 10878, 11415, 11655, 13698, 15220, 15540, 15981, 16317, 18130, 21308, 21756, 22830, 23310, 26635, 27195, 27396, 28157, 31962, 32634, 34245, 36260, 37289, 45660, 46620, 47943, 53270, 54390, 56314, 63924, 65268, 68490, 74578, 79905, 81585, 84471, 95886, 106540, 108780, 111867, 112628, 136980, 140785, 149156, 159810, 163170, 168942, 186445, 191772, 197099, 223734, 239715, 253413, 281570, 319620, 326340, 335601, 337884, 372890, 394198, 422355, 447468, 479430, 506826, 559335, 563140, 591297, 671202, 745780, 788396, 844710, 958860, 985495, 1013652, 1118670, 1182594, 1267065, 1342404, 1379693, 1678005, 1689420, 1773891, 1970990, 2237340, 2365188, 2534130, 2759386, 2956485, 3356010, 3547782, 3941980, 4139079, 5068260, 5518772, 5912970, 6712020, 6898465, 7095564, 8278158, 8869455, 11825940, 12417237, 13796930, 16556316, 17738910, 20695395, 24834474, 27593860, 35477820, 41390790, 49668948, 62086185, 82781580, 124172370, 248344740]

約数ペア:

[(1, 248344740), (2, 124172370), (3, 82781580), (4, 62086185), (5, 49668948), (6, 41390790), (7, 35477820), (9, 27593860), (10, 24834474), (12, 20695395), (14, 17738910), (15, 16556316), (18, 13796930), (20, 12417237), (21, 11825940), (28, 8869455), (30, 8278158), (35, 7095564), (36, 6898465), (37, 6712020), (42, 5912970), (45, 5518772), (49, 5068260), (60, 4139079), (63, 3941980), (70, 3547782), (74, 3356010), (84, 2956485), (90, 2759386), (98, 2534130), (105, 2365188), (111, 2237340), (126, 1970990), (140, 1773891), (147, 1689420), (148, 1678005), (180, 1379693), (185, 1342404), (196, 1267065), (210, 1182594), (222, 1118670), (245, 1013652), (252, 985495), (259, 958860), (294, 844710), (315, 788396), (333, 745780), (370, 671202), (420, 591297), (441, 563140), (444, 559335), (490, 506826), (518, 479430), (555, 447468), (588, 422355), (630, 394198), (666, 372890), (735, 337884), (740, 335601), (761, 326340), (777, 319620), (882, 281570), (980, 253413), (1036, 239715), (1110, 223734), (1260, 197099), (1295, 191772), (1332, 186445), (1470, 168942), (1522, 163170), (1554, 159810), (1665, 149156), (1764, 140785), (1813, 136980), (2205, 112628), (2220, 111867), (2283, 108780), (2331, 106540), (2590, 95886), (2940, 84471), (3044, 81585), (3108, 79905), (3330, 74578), (3626, 68490), (3805, 65268), (3885, 63924), (4410, 56314), (4566, 54390), (4662, 53270), (5180, 47943), (5327, 46620), (5439, 45660), (6660, 37289), (6849, 36260), (7252, 34245), (7610, 32634), (7770, 31962), (8820, 28157), (9065, 27396), (9132, 27195), (9324, 26635), (10654, 23310), (10878, 22830), (11415, 21756), (11655, 21308), (13698, 18130), (15220, 16317), (15540, 15981)]