78080520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 160

約数和(自身を含む): 274273920

約数和(自身を除く): 196193400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 271, 280, 294, 343, 392, 420, 490, 542, 588, 686, 735, 813, 840, 980, 1029, 1084, 1176, 1355, 1372, 1470, 1626, 1715, 1897, 1960, 2058, 2168, 2401, 2710, 2744, 2940, 3252, 3430, 3794, 4065, 4116, 4802, 5145, 5420, 5691, 5880, 6504, 6860, 7203, 7588, 8130, 8232, 9485, 9604, 10290, 10840, 11382, 12005, 13279, 13720, 14406, 15176, 16260, 18970, 19208, 20580, 22764, 24010, 26558, 28455, 28812, 32520, 36015, 37940, 39837, 41160, 45528, 48020, 53116, 56910, 57624, 66395, 72030, 75880, 79674, 92953, 96040, 106232, 113820, 132790, 144060, 159348, 185906, 199185, 227640, 265580, 278859, 288120, 318696, 371812, 398370, 464765, 531160, 557718, 650671, 743624, 796740, 929530, 1115436, 1301342, 1394295, 1593480, 1859060, 1952013, 2230872, 2602684, 2788590, 3253355, 3718120, 3904026, 5205368, 5577180, 6506710, 7808052, 9760065, 11154360, 13013420, 15616104, 19520130, 26026840, 39040260, 78080520]

約数ペア:

[(1, 78080520), (2, 39040260), (3, 26026840), (4, 19520130), (5, 15616104), (6, 13013420), (7, 11154360), (8, 9760065), (10, 7808052), (12, 6506710), (14, 5577180), (15, 5205368), (20, 3904026), (21, 3718120), (24, 3253355), (28, 2788590), (30, 2602684), (35, 2230872), (40, 1952013), (42, 1859060), (49, 1593480), (56, 1394295), (60, 1301342), (70, 1115436), (84, 929530), (98, 796740), (105, 743624), (120, 650671), (140, 557718), (147, 531160), (168, 464765), (196, 398370), (210, 371812), (245, 318696), (271, 288120), (280, 278859), (294, 265580), (343, 227640), (392, 199185), (420, 185906), (490, 159348), (542, 144060), (588, 132790), (686, 113820), (735, 106232), (813, 96040), (840, 92953), (980, 79674), (1029, 75880), (1084, 72030), (1176, 66395), (1355, 57624), (1372, 56910), (1470, 53116), (1626, 48020), (1715, 45528), (1897, 41160), (1960, 39837), (2058, 37940), (2168, 36015), (2401, 32520), (2710, 28812), (2744, 28455), (2940, 26558), (3252, 24010), (3430, 22764), (3794, 20580), (4065, 19208), (4116, 18970), (4802, 16260), (5145, 15176), (5420, 14406), (5691, 13720), (5880, 13279), (6504, 12005), (6860, 11382), (7203, 10840), (7588, 10290), (8130, 9604), (8232, 9485)]