1985009520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{3331}}^1$

素因数の和:3551

約数の個数: 160

約数和(自身を含む): 6663573504

約数和(自身を除く): 4678563984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 191, 195, 208, 240, 260, 312, 382, 390, 520, 573, 624, 764, 780, 955, 1040, 1146, 1528, 1560, 1910, 2292, 2483, 2865, 3056, 3120, 3331, 3820, 4584, 4966, 5730, 6662, 7449, 7640, 9168, 9932, 9993, 11460, 12415, 13324, 14898, 15280, 16655, 19864, 19986, 22920, 24830, 26648, 29796, 33310, 37245, 39728, 39972, 43303, 45840, 49660, 49965, 53296, 59592, 66620, 74490, 79944, 86606, 99320, 99930, 119184, 129909, 133240, 148980, 159888, 173212, 198640, 199860, 216515, 259818, 266480, 297960, 346424, 399720, 433030, 519636, 595920, 636221, 649545, 692848, 799440, 866060, 1039272, 1272442, 1299090, 1732120, 1908663, 2078544, 2544884, 2598180, 3181105, 3464240, 3817326, 5089768, 5196360, 6362210, 7634652, 8270873, 9543315, 10179536, 10392720, 12724420, 15269304, 16541746, 19086630, 24812619, 25448840, 30538608, 33083492, 38173260, 41354365, 49625238, 50897680, 66166984, 76346520, 82708730, 99250476, 124063095, 132333968, 152693040, 165417460, 198500952, 248126190, 330834920, 397001904, 496252380, 661669840, 992504760, 1985009520]

約数ペア:

[(1, 1985009520), (2, 992504760), (3, 661669840), (4, 496252380), (5, 397001904), (6, 330834920), (8, 248126190), (10, 198500952), (12, 165417460), (13, 152693040), (15, 132333968), (16, 124063095), (20, 99250476), (24, 82708730), (26, 76346520), (30, 66166984), (39, 50897680), (40, 49625238), (48, 41354365), (52, 38173260), (60, 33083492), (65, 30538608), (78, 25448840), (80, 24812619), (104, 19086630), (120, 16541746), (130, 15269304), (156, 12724420), (191, 10392720), (195, 10179536), (208, 9543315), (240, 8270873), (260, 7634652), (312, 6362210), (382, 5196360), (390, 5089768), (520, 3817326), (573, 3464240), (624, 3181105), (764, 2598180), (780, 2544884), (955, 2078544), (1040, 1908663), (1146, 1732120), (1528, 1299090), (1560, 1272442), (1910, 1039272), (2292, 866060), (2483, 799440), (2865, 692848), (3056, 649545), (3120, 636221), (3331, 595920), (3820, 519636), (4584, 433030), (4966, 399720), (5730, 346424), (6662, 297960), (7449, 266480), (7640, 259818), (9168, 216515), (9932, 199860), (9993, 198640), (11460, 173212), (12415, 159888), (13324, 148980), (14898, 133240), (15280, 129909), (16655, 119184), (19864, 99930), (19986, 99320), (22920, 86606), (24830, 79944), (26648, 74490), (29796, 66620), (33310, 59592), (37245, 53296), (39728, 49965), (39972, 49660), (43303, 45840)]