80373420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 261031680

約数和(自身を除く): 180658260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 284, 285, 331, 342, 355, 380, 426, 570, 639, 662, 684, 710, 852, 855, 993, 1065, 1140, 1278, 1324, 1349, 1420, 1655, 1710, 1986, 2130, 2556, 2698, 2979, 3195, 3310, 3420, 3972, 4047, 4260, 4965, 5396, 5958, 6289, 6390, 6620, 6745, 8094, 9930, 11916, 12141, 12578, 12780, 13490, 14895, 16188, 18867, 19860, 20235, 23501, 24282, 25156, 26980, 29790, 31445, 37734, 40470, 47002, 48564, 56601, 59580, 60705, 62890, 70503, 75468, 80940, 94004, 94335, 113202, 117505, 121410, 125780, 141006, 188670, 211509, 226404, 235010, 242820, 282012, 283005, 352515, 377340, 423018, 446519, 470020, 566010, 705030, 846036, 893038, 1057545, 1132020, 1339557, 1410060, 1786076, 2115090, 2232595, 2679114, 4018671, 4230180, 4465190, 5358228, 6697785, 8037342, 8930380, 13395570, 16074684, 20093355, 26791140, 40186710, 80373420]

約数ペア:

[(1, 80373420), (2, 40186710), (3, 26791140), (4, 20093355), (5, 16074684), (6, 13395570), (9, 8930380), (10, 8037342), (12, 6697785), (15, 5358228), (18, 4465190), (19, 4230180), (20, 4018671), (30, 2679114), (36, 2232595), (38, 2115090), (45, 1786076), (57, 1410060), (60, 1339557), (71, 1132020), (76, 1057545), (90, 893038), (95, 846036), (114, 705030), (142, 566010), (171, 470020), (180, 446519), (190, 423018), (213, 377340), (228, 352515), (284, 283005), (285, 282012), (331, 242820), (342, 235010), (355, 226404), (380, 211509), (426, 188670), (570, 141006), (639, 125780), (662, 121410), (684, 117505), (710, 113202), (852, 94335), (855, 94004), (993, 80940), (1065, 75468), (1140, 70503), (1278, 62890), (1324, 60705), (1349, 59580), (1420, 56601), (1655, 48564), (1710, 47002), (1986, 40470), (2130, 37734), (2556, 31445), (2698, 29790), (2979, 26980), (3195, 25156), (3310, 24282), (3420, 23501), (3972, 20235), (4047, 19860), (4260, 18867), (4965, 16188), (5396, 14895), (5958, 13490), (6289, 12780), (6390, 12578), (6620, 12141), (6745, 11916), (8094, 9930)]