81099960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3203}}^1$

素因数の和:3428

約数の個数: 64

約数和(自身を含む): 244529280

約数和(自身を除く): 163429320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3203, 4220, 5064, 6330, 6406, 8440, 9609, 12660, 12812, 16015, 19218, 25320, 25624, 32030, 38436, 48045, 64060, 76872, 96090, 128120, 192180, 384360, 675833, 1351666, 2027499, 2703332, 3379165, 4054998, 5406664, 6758330, 8109996, 10137495, 13516660, 16219992, 20274990, 27033320, 40549980, 81099960]

約数ペア:

[(1, 81099960), (2, 40549980), (3, 27033320), (4, 20274990), (5, 16219992), (6, 13516660), (8, 10137495), (10, 8109996), (12, 6758330), (15, 5406664), (20, 4054998), (24, 3379165), (30, 2703332), (40, 2027499), (60, 1351666), (120, 675833), (211, 384360), (422, 192180), (633, 128120), (844, 96090), (1055, 76872), (1266, 64060), (1688, 48045), (2110, 38436), (2532, 32030), (3165, 25624), (3203, 25320), (4220, 19218), (5064, 16015), (6330, 12812), (6406, 12660), (8440, 9609)]