81754420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 198567936

約数和(自身を除く): 116813516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 107, 110, 115, 151, 214, 220, 230, 253, 302, 428, 460, 506, 535, 604, 755, 1012, 1070, 1177, 1265, 1510, 1661, 2140, 2354, 2461, 2530, 3020, 3322, 3473, 4708, 4922, 5060, 5885, 6644, 6946, 8305, 9844, 11770, 12305, 13892, 16157, 16610, 17365, 23540, 24610, 27071, 32314, 33220, 34730, 38203, 49220, 54142, 64628, 69460, 76406, 80785, 108284, 135355, 152812, 161570, 177727, 191015, 270710, 323140, 355454, 371611, 382030, 541420, 710908, 743222, 764060, 888635, 1486444, 1777270, 1858055, 3554540, 3716110, 4087721, 7432220, 8175442, 16350884, 20438605, 40877210, 81754420]

約数ペア:

[(1, 81754420), (2, 40877210), (4, 20438605), (5, 16350884), (10, 8175442), (11, 7432220), (20, 4087721), (22, 3716110), (23, 3554540), (44, 1858055), (46, 1777270), (55, 1486444), (92, 888635), (107, 764060), (110, 743222), (115, 710908), (151, 541420), (214, 382030), (220, 371611), (230, 355454), (253, 323140), (302, 270710), (428, 191015), (460, 177727), (506, 161570), (535, 152812), (604, 135355), (755, 108284), (1012, 80785), (1070, 76406), (1177, 69460), (1265, 64628), (1510, 54142), (1661, 49220), (2140, 38203), (2354, 34730), (2461, 33220), (2530, 32314), (3020, 27071), (3322, 24610), (3473, 23540), (4708, 17365), (4922, 16610), (5060, 16157), (5885, 13892), (6644, 12305), (6946, 11770), (8305, 9844)]