404888640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32443}}^1$

素因数の和:32476

約数の個数: 112

約数和(自身を含む): 1384450368

約数和(自身を除く): 979561728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 32443, 64886, 97329, 129772, 162215, 194658, 259544, 324430, 389316, 421759, 486645, 519088, 648860, 778632, 843518, 973290, 1038176, 1265277, 1297720, 1557264, 1687036, 1946580, 2076352, 2108795, 2530554, 2595440, 3114528, 3374072, 3893160, 4217590, 5061108, 5190880, 6229056, 6326385, 6748144, 7786320, 8435180, 10122216, 10381760, 12652770, 13496288, 15572640, 16870360, 20244432, 25305540, 26992576, 31145280, 33740720, 40488864, 50611080, 67481440, 80977728, 101222160, 134962880, 202444320, 404888640]

約数ペア:

[(1, 404888640), (2, 202444320), (3, 134962880), (4, 101222160), (5, 80977728), (6, 67481440), (8, 50611080), (10, 40488864), (12, 33740720), (13, 31145280), (15, 26992576), (16, 25305540), (20, 20244432), (24, 16870360), (26, 15572640), (30, 13496288), (32, 12652770), (39, 10381760), (40, 10122216), (48, 8435180), (52, 7786320), (60, 6748144), (64, 6326385), (65, 6229056), (78, 5190880), (80, 5061108), (96, 4217590), (104, 3893160), (120, 3374072), (130, 3114528), (156, 2595440), (160, 2530554), (192, 2108795), (195, 2076352), (208, 1946580), (240, 1687036), (260, 1557264), (312, 1297720), (320, 1265277), (390, 1038176), (416, 973290), (480, 843518), (520, 778632), (624, 648860), (780, 519088), (832, 486645), (960, 421759), (1040, 389316), (1248, 324430), (1560, 259544), (2080, 194658), (2496, 162215), (3120, 129772), (4160, 97329), (6240, 64886), (12480, 32443)]