12641507320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{8317}}^1$

素因数の和:8457

約数の個数: 128

約数和(自身を含む): 31861267200

約数和(自身を除く): 19219759880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 79, 104, 130, 148, 158, 185, 260, 296, 316, 370, 395, 481, 520, 632, 740, 790, 962, 1027, 1480, 1580, 1924, 2054, 2405, 2923, 3160, 3848, 4108, 4810, 5135, 5846, 8216, 8317, 9620, 10270, 11692, 14615, 16634, 19240, 20540, 23384, 29230, 33268, 37999, 41080, 41585, 58460, 66536, 75998, 83170, 108121, 116920, 151996, 166340, 189995, 216242, 303992, 307729, 332680, 379990, 432484, 540605, 615458, 657043, 759980, 864968, 1081210, 1230916, 1314086, 1519960, 1538645, 2162420, 2461832, 2628172, 3077290, 3285215, 4000477, 4324840, 5256344, 6154580, 6570430, 8000954, 8541559, 12309160, 13140860, 16001908, 17083118, 20002385, 24310591, 26281720, 32003816, 34166236, 40004770, 42707795, 48621182, 68332472, 80009540, 85415590, 97242364, 121552955, 160019080, 170831180, 194484728, 243105910, 316037683, 341662360, 486211820, 632075366, 972423640, 1264150732, 1580188415, 2528301464, 3160376830, 6320753660, 12641507320]

約数ペア:

[(1, 12641507320), (2, 6320753660), (4, 3160376830), (5, 2528301464), (8, 1580188415), (10, 1264150732), (13, 972423640), (20, 632075366), (26, 486211820), (37, 341662360), (40, 316037683), (52, 243105910), (65, 194484728), (74, 170831180), (79, 160019080), (104, 121552955), (130, 97242364), (148, 85415590), (158, 80009540), (185, 68332472), (260, 48621182), (296, 42707795), (316, 40004770), (370, 34166236), (395, 32003816), (481, 26281720), (520, 24310591), (632, 20002385), (740, 17083118), (790, 16001908), (962, 13140860), (1027, 12309160), (1480, 8541559), (1580, 8000954), (1924, 6570430), (2054, 6154580), (2405, 5256344), (2923, 4324840), (3160, 4000477), (3848, 3285215), (4108, 3077290), (4810, 2628172), (5135, 2461832), (5846, 2162420), (8216, 1538645), (8317, 1519960), (9620, 1314086), (10270, 1230916), (11692, 1081210), (14615, 864968), (16634, 759980), (19240, 657043), (20540, 615458), (23384, 540605), (29230, 432484), (33268, 379990), (37999, 332680), (41080, 307729), (41585, 303992), (58460, 216242), (66536, 189995), (75998, 166340), (83170, 151996), (108121, 116920)]