30748680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 128

約数和(自身を含む): 104198400

約数和(自身を除く): 73449720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 401, 426, 540, 568, 639, 710, 802, 852, 1065, 1080, 1203, 1278, 1420, 1604, 1704, 1917, 2005, 2130, 2406, 2556, 2840, 3195, 3208, 3609, 3834, 4010, 4260, 4812, 5112, 6015, 6390, 7218, 7668, 8020, 8520, 9585, 9624, 10827, 12030, 12780, 14436, 15336, 16040, 18045, 19170, 21654, 24060, 25560, 28471, 28872, 36090, 38340, 43308, 48120, 54135, 56942, 72180, 76680, 85413, 86616, 108270, 113884, 142355, 144360, 170826, 216540, 227768, 256239, 284710, 341652, 427065, 433080, 512478, 569420, 683304, 768717, 854130, 1024956, 1138840, 1281195, 1537434, 1708260, 2049912, 2562390, 3074868, 3416520, 3843585, 5124780, 6149736, 7687170, 10249560, 15374340, 30748680]

約数ペア:

[(1, 30748680), (2, 15374340), (3, 10249560), (4, 7687170), (5, 6149736), (6, 5124780), (8, 3843585), (9, 3416520), (10, 3074868), (12, 2562390), (15, 2049912), (18, 1708260), (20, 1537434), (24, 1281195), (27, 1138840), (30, 1024956), (36, 854130), (40, 768717), (45, 683304), (54, 569420), (60, 512478), (71, 433080), (72, 427065), (90, 341652), (108, 284710), (120, 256239), (135, 227768), (142, 216540), (180, 170826), (213, 144360), (216, 142355), (270, 113884), (284, 108270), (355, 86616), (360, 85413), (401, 76680), (426, 72180), (540, 56942), (568, 54135), (639, 48120), (710, 43308), (802, 38340), (852, 36090), (1065, 28872), (1080, 28471), (1203, 25560), (1278, 24060), (1420, 21654), (1604, 19170), (1704, 18045), (1917, 16040), (2005, 15336), (2130, 14436), (2406, 12780), (2556, 12030), (2840, 10827), (3195, 9624), (3208, 9585), (3609, 8520), (3834, 8020), (4010, 7668), (4260, 7218), (4812, 6390), (5112, 6015)]