804545480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 1946419200

約数和(自身を除く): 1141873720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 79, 86, 124, 155, 158, 172, 191, 215, 248, 310, 316, 344, 382, 395, 430, 620, 632, 764, 790, 860, 955, 1240, 1333, 1528, 1580, 1720, 1910, 2449, 2666, 3160, 3397, 3820, 4898, 5332, 5921, 6665, 6794, 7640, 8213, 9796, 10664, 11842, 12245, 13330, 13588, 15089, 16426, 16985, 19592, 23684, 24490, 26660, 27176, 29605, 30178, 32852, 33970, 41065, 47368, 48980, 53320, 59210, 60356, 65704, 67940, 75445, 82130, 97960, 105307, 118420, 120712, 135880, 150890, 164260, 210614, 236840, 254603, 301780, 328520, 421228, 467759, 509206, 526535, 603560, 648827, 842456, 935518, 1018412, 1053070, 1273015, 1297654, 1871036, 2036824, 2106140, 2338795, 2546030, 2595308, 3244135, 3742072, 4212280, 4677590, 5092060, 5190616, 6488270, 9355180, 10184120, 12976540, 18710360, 20113637, 25953080, 40227274, 80454548, 100568185, 160909096, 201136370, 402272740, 804545480]

約数ペア:

[(1, 804545480), (2, 402272740), (4, 201136370), (5, 160909096), (8, 100568185), (10, 80454548), (20, 40227274), (31, 25953080), (40, 20113637), (43, 18710360), (62, 12976540), (79, 10184120), (86, 9355180), (124, 6488270), (155, 5190616), (158, 5092060), (172, 4677590), (191, 4212280), (215, 3742072), (248, 3244135), (310, 2595308), (316, 2546030), (344, 2338795), (382, 2106140), (395, 2036824), (430, 1871036), (620, 1297654), (632, 1273015), (764, 1053070), (790, 1018412), (860, 935518), (955, 842456), (1240, 648827), (1333, 603560), (1528, 526535), (1580, 509206), (1720, 467759), (1910, 421228), (2449, 328520), (2666, 301780), (3160, 254603), (3397, 236840), (3820, 210614), (4898, 164260), (5332, 150890), (5921, 135880), (6665, 120712), (6794, 118420), (7640, 105307), (8213, 97960), (9796, 82130), (10664, 75445), (11842, 67940), (12245, 65704), (13330, 60356), (13588, 59210), (15089, 53320), (16426, 48980), (16985, 47368), (19592, 41065), (23684, 33970), (24490, 32852), (26660, 30178), (27176, 29605)]