81202030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 198132480

約数和(自身を除く): 116930450

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 29, 34, 35, 58, 65, 70, 85, 91, 119, 130, 145, 170, 181, 182, 203, 221, 238, 290, 362, 377, 406, 442, 455, 493, 595, 754, 905, 910, 986, 1015, 1105, 1190, 1267, 1547, 1810, 1885, 2030, 2210, 2353, 2465, 2534, 2639, 3077, 3094, 3451, 3770, 4706, 4930, 5249, 5278, 6154, 6335, 6409, 6902, 7735, 10498, 11765, 12670, 12818, 13195, 15385, 15470, 16471, 17255, 21539, 23530, 26245, 26390, 30770, 32045, 32942, 34510, 36743, 40001, 43078, 44863, 52490, 64090, 68237, 73486, 80002, 82355, 89233, 89726, 107695, 136474, 164710, 178466, 183715, 200005, 215390, 224315, 280007, 341185, 367430, 400010, 446165, 448630, 477659, 560014, 624631, 682370, 892330, 955318, 1160029, 1249262, 1400035, 2320058, 2388295, 2800070, 3123155, 4776590, 5800145, 6246310, 8120203, 11600290, 16240406, 40601015, 81202030]

約数ペア:

[(1, 81202030), (2, 40601015), (5, 16240406), (7, 11600290), (10, 8120203), (13, 6246310), (14, 5800145), (17, 4776590), (26, 3123155), (29, 2800070), (34, 2388295), (35, 2320058), (58, 1400035), (65, 1249262), (70, 1160029), (85, 955318), (91, 892330), (119, 682370), (130, 624631), (145, 560014), (170, 477659), (181, 448630), (182, 446165), (203, 400010), (221, 367430), (238, 341185), (290, 280007), (362, 224315), (377, 215390), (406, 200005), (442, 183715), (455, 178466), (493, 164710), (595, 136474), (754, 107695), (905, 89726), (910, 89233), (986, 82355), (1015, 80002), (1105, 73486), (1190, 68237), (1267, 64090), (1547, 52490), (1810, 44863), (1885, 43078), (2030, 40001), (2210, 36743), (2353, 34510), (2465, 32942), (2534, 32045), (2639, 30770), (3077, 26390), (3094, 26245), (3451, 23530), (3770, 21539), (4706, 17255), (4930, 16471), (5249, 15470), (5278, 15385), (6154, 13195), (6335, 12818), (6409, 12670), (6902, 11765), (7735, 10498)]