279608940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 216

約数和(自身を含む): 966904848

約数和(自身を除く): 687295908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 331, 342, 361, 380, 390, 468, 494, 570, 585, 662, 684, 722, 741, 780, 855, 988, 993, 1083, 1140, 1170, 1235, 1324, 1444, 1482, 1655, 1710, 1805, 1986, 2166, 2223, 2340, 2470, 2964, 2979, 3249, 3310, 3420, 3610, 3705, 3972, 4303, 4332, 4446, 4693, 4940, 4965, 5415, 5958, 6289, 6498, 6620, 7220, 7410, 8606, 8892, 9386, 9930, 10830, 11115, 11916, 12578, 12909, 12996, 14079, 14820, 14895, 16245, 17212, 18772, 18867, 19860, 21515, 21660, 22230, 23465, 25156, 25818, 28158, 29790, 31445, 32490, 37734, 38727, 42237, 43030, 44460, 46930, 51636, 56316, 56601, 59580, 62890, 64545, 64980, 70395, 75468, 77454, 81757, 84474, 86060, 93860, 94335, 113202, 119491, 125780, 129090, 140790, 154908, 163514, 168948, 188670, 193635, 211185, 226404, 238982, 245271, 258180, 281580, 283005, 327028, 358473, 377340, 387270, 408785, 422370, 477964, 490542, 566010, 597455, 716946, 735813, 774540, 817570, 844740, 981084, 1075419, 1132020, 1194910, 1226355, 1433892, 1471626, 1553383, 1635140, 1792365, 2150838, 2389820, 2452710, 2943252, 3106766, 3584730, 3679065, 4301676, 4660149, 4905420, 5377095, 6213532, 7169460, 7358130, 7766915, 9320298, 10754190, 13980447, 14716260, 15533830, 18640596, 21508380, 23300745, 27960894, 31067660, 46601490, 55921788, 69902235, 93202980, 139804470, 279608940]

約数ペア:

[(1, 279608940), (2, 139804470), (3, 93202980), (4, 69902235), (5, 55921788), (6, 46601490), (9, 31067660), (10, 27960894), (12, 23300745), (13, 21508380), (15, 18640596), (18, 15533830), (19, 14716260), (20, 13980447), (26, 10754190), (30, 9320298), (36, 7766915), (38, 7358130), (39, 7169460), (45, 6213532), (52, 5377095), (57, 4905420), (60, 4660149), (65, 4301676), (76, 3679065), (78, 3584730), (90, 3106766), (95, 2943252), (114, 2452710), (117, 2389820), (130, 2150838), (156, 1792365), (171, 1635140), (180, 1553383), (190, 1471626), (195, 1433892), (228, 1226355), (234, 1194910), (247, 1132020), (260, 1075419), (285, 981084), (331, 844740), (342, 817570), (361, 774540), (380, 735813), (390, 716946), (468, 597455), (494, 566010), (570, 490542), (585, 477964), (662, 422370), (684, 408785), (722, 387270), (741, 377340), (780, 358473), (855, 327028), (988, 283005), (993, 281580), (1083, 258180), (1140, 245271), (1170, 238982), (1235, 226404), (1324, 211185), (1444, 193635), (1482, 188670), (1655, 168948), (1710, 163514), (1805, 154908), (1986, 140790), (2166, 129090), (2223, 125780), (2340, 119491), (2470, 113202), (2964, 94335), (2979, 93860), (3249, 86060), (3310, 84474), (3420, 81757), (3610, 77454), (3705, 75468), (3972, 70395), (4303, 64980), (4332, 64545), (4446, 62890), (4693, 59580), (4940, 56601), (4965, 56316), (5415, 51636), (5958, 46930), (6289, 44460), (6498, 43030), (6620, 42237), (7220, 38727), (7410, 37734), (8606, 32490), (8892, 31445), (9386, 29790), (9930, 28158), (10830, 25818), (11115, 25156), (11916, 23465), (12578, 22230), (12909, 21660), (12996, 21515), (14079, 19860), (14820, 18867), (14895, 18772), (16245, 17212)]