201721560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6203}}^1$

素因数の和:6488

約数の個数: 64

約数和(自身を含む): 607495680

約数和(自身を除く): 405774120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 5420, 6203, 6504, 8130, 10840, 12406, 16260, 18609, 24812, 31015, 32520, 37218, 49624, 62030, 74436, 93045, 124060, 148872, 186090, 248120, 372180, 744360, 1681013, 3362026, 5043039, 6724052, 8405065, 10086078, 13448104, 16810130, 20172156, 25215195, 33620260, 40344312, 50430390, 67240520, 100860780, 201721560]

約数ペア:

[(1, 201721560), (2, 100860780), (3, 67240520), (4, 50430390), (5, 40344312), (6, 33620260), (8, 25215195), (10, 20172156), (12, 16810130), (15, 13448104), (20, 10086078), (24, 8405065), (30, 6724052), (40, 5043039), (60, 3362026), (120, 1681013), (271, 744360), (542, 372180), (813, 248120), (1084, 186090), (1355, 148872), (1626, 124060), (2168, 93045), (2710, 74436), (3252, 62030), (4065, 49624), (5420, 37218), (6203, 32520), (6504, 31015), (8130, 24812), (10840, 18609), (12406, 16260)]