916401780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11923}}^1$

素因数の和:12006

約数の個数: 144

約数和(自身を含む): 3229209984

約数和(自身を除く): 2312808204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2562, 2745, 3660, 3843, 4270, 5124, 5490, 6405, 7686, 8540, 10980, 11923, 12810, 15372, 19215, 23846, 25620, 35769, 38430, 47692, 59615, 71538, 76860, 83461, 107307, 119230, 143076, 166922, 178845, 214614, 238460, 250383, 333844, 357690, 417305, 429228, 500766, 536535, 715380, 727303, 751149, 834610, 1001532, 1073070, 1251915, 1454606, 1502298, 1669220, 2146140, 2181909, 2503830, 2909212, 3004596, 3636515, 3755745, 4363818, 5007660, 5091121, 6545727, 7273030, 7511490, 8727636, 10182242, 10909545, 13091454, 14546060, 15022980, 15273363, 20364484, 21819090, 25455605, 26182908, 30546726, 32728635, 43638180, 45820089, 50911210, 61093452, 65457270, 76366815, 91640178, 101822420, 130914540, 152733630, 183280356, 229100445, 305467260, 458200890, 916401780]

約数ペア:

[(1, 916401780), (2, 458200890), (3, 305467260), (4, 229100445), (5, 183280356), (6, 152733630), (7, 130914540), (9, 101822420), (10, 91640178), (12, 76366815), (14, 65457270), (15, 61093452), (18, 50911210), (20, 45820089), (21, 43638180), (28, 32728635), (30, 30546726), (35, 26182908), (36, 25455605), (42, 21819090), (45, 20364484), (60, 15273363), (61, 15022980), (63, 14546060), (70, 13091454), (84, 10909545), (90, 10182242), (105, 8727636), (122, 7511490), (126, 7273030), (140, 6545727), (180, 5091121), (183, 5007660), (210, 4363818), (244, 3755745), (252, 3636515), (305, 3004596), (315, 2909212), (366, 2503830), (420, 2181909), (427, 2146140), (549, 1669220), (610, 1502298), (630, 1454606), (732, 1251915), (854, 1073070), (915, 1001532), (1098, 834610), (1220, 751149), (1260, 727303), (1281, 715380), (1708, 536535), (1830, 500766), (2135, 429228), (2196, 417305), (2562, 357690), (2745, 333844), (3660, 250383), (3843, 238460), (4270, 214614), (5124, 178845), (5490, 166922), (6405, 143076), (7686, 119230), (8540, 107307), (10980, 83461), (11923, 76860), (12810, 71538), (15372, 59615), (19215, 47692), (23846, 38430), (25620, 35769)]