81645200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2243}}^1$

素因数の和:2281

約数の個数: 120

約数和(自身を含む): 241526208

約数和(自身を除く): 159881008

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 910, 1040, 1300, 1400, 1456, 1820, 2243, 2275, 2600, 2800, 3640, 4486, 4550, 5200, 7280, 8972, 9100, 11215, 15701, 17944, 18200, 22430, 29159, 31402, 35888, 36400, 44860, 56075, 58318, 62804, 78505, 89720, 112150, 116636, 125608, 145795, 157010, 179440, 204113, 224300, 233272, 251216, 291590, 314020, 392525, 408226, 448600, 466544, 583180, 628040, 728975, 785050, 816452, 897200, 1020565, 1166360, 1256080, 1457950, 1570100, 1632904, 2041130, 2332720, 2915900, 3140200, 3265808, 4082260, 5102825, 5831800, 6280400, 8164520, 10205650, 11663600, 16329040, 20411300, 40822600, 81645200]

約数ペア:

[(1, 81645200), (2, 40822600), (4, 20411300), (5, 16329040), (7, 11663600), (8, 10205650), (10, 8164520), (13, 6280400), (14, 5831800), (16, 5102825), (20, 4082260), (25, 3265808), (26, 3140200), (28, 2915900), (35, 2332720), (40, 2041130), (50, 1632904), (52, 1570100), (56, 1457950), (65, 1256080), (70, 1166360), (80, 1020565), (91, 897200), (100, 816452), (104, 785050), (112, 728975), (130, 628040), (140, 583180), (175, 466544), (182, 448600), (200, 408226), (208, 392525), (260, 314020), (280, 291590), (325, 251216), (350, 233272), (364, 224300), (400, 204113), (455, 179440), (520, 157010), (560, 145795), (650, 125608), (700, 116636), (728, 112150), (910, 89720), (1040, 78505), (1300, 62804), (1400, 58318), (1456, 56075), (1820, 44860), (2243, 36400), (2275, 35888), (2600, 31402), (2800, 29159), (3640, 22430), (4486, 18200), (4550, 17944), (5200, 15701), (7280, 11215), (8972, 9100)]