81205020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34703}}^1$

素因数の和:34731

約数の個数: 72

約数和(自身を含む): 265277376

約数和(自身を除く): 184072356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 34703, 69406, 104109, 138812, 173515, 208218, 312327, 347030, 416436, 451139, 520545, 624654, 694060, 902278, 1041090, 1249308, 1353417, 1561635, 1804556, 2082180, 2255695, 2706834, 3123270, 4060251, 4511390, 5413668, 6246540, 6767085, 8120502, 9022780, 13534170, 16241004, 20301255, 27068340, 40602510, 81205020]

約数ペア:

[(1, 81205020), (2, 40602510), (3, 27068340), (4, 20301255), (5, 16241004), (6, 13534170), (9, 9022780), (10, 8120502), (12, 6767085), (13, 6246540), (15, 5413668), (18, 4511390), (20, 4060251), (26, 3123270), (30, 2706834), (36, 2255695), (39, 2082180), (45, 1804556), (52, 1561635), (60, 1353417), (65, 1249308), (78, 1041090), (90, 902278), (117, 694060), (130, 624654), (156, 520545), (180, 451139), (195, 416436), (234, 347030), (260, 312327), (390, 208218), (468, 173515), (585, 138812), (780, 104109), (1170, 69406), (2340, 34703)]