128900400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:843

約数の個数: 120

約数和(自身を含む): 416074560

約数和(自身を除く): 287174160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 163, 200, 240, 300, 326, 400, 489, 600, 652, 659, 815, 978, 1200, 1304, 1318, 1630, 1956, 1977, 2445, 2608, 2636, 3260, 3295, 3912, 3954, 4075, 4890, 5272, 6520, 6590, 7824, 7908, 8150, 9780, 9885, 10544, 12225, 13040, 13180, 15816, 16300, 16475, 19560, 19770, 24450, 26360, 31632, 32600, 32950, 39120, 39540, 48900, 49425, 52720, 65200, 65900, 79080, 97800, 98850, 107417, 131800, 158160, 195600, 197700, 214834, 263600, 322251, 395400, 429668, 537085, 644502, 790800, 859336, 1074170, 1289004, 1611255, 1718672, 2148340, 2578008, 2685425, 3222510, 4296680, 5156016, 5370850, 6445020, 8056275, 8593360, 10741700, 12890040, 16112550, 21483400, 25780080, 32225100, 42966800, 64450200, 128900400]

約数ペア:

[(1, 128900400), (2, 64450200), (3, 42966800), (4, 32225100), (5, 25780080), (6, 21483400), (8, 16112550), (10, 12890040), (12, 10741700), (15, 8593360), (16, 8056275), (20, 6445020), (24, 5370850), (25, 5156016), (30, 4296680), (40, 3222510), (48, 2685425), (50, 2578008), (60, 2148340), (75, 1718672), (80, 1611255), (100, 1289004), (120, 1074170), (150, 859336), (163, 790800), (200, 644502), (240, 537085), (300, 429668), (326, 395400), (400, 322251), (489, 263600), (600, 214834), (652, 197700), (659, 195600), (815, 158160), (978, 131800), (1200, 107417), (1304, 98850), (1318, 97800), (1630, 79080), (1956, 65900), (1977, 65200), (2445, 52720), (2608, 49425), (2636, 48900), (3260, 39540), (3295, 39120), (3912, 32950), (3954, 32600), (4075, 31632), (4890, 26360), (5272, 24450), (6520, 19770), (6590, 19560), (7824, 16475), (7908, 16300), (8150, 15816), (9780, 13180), (9885, 13040), (10544, 12225)]