81434340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2677}}^1$

素因数の和:2718

約数の個数: 108

約数和(自身を含む): 267580404

約数和(自身を除く): 186146064

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, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 2677, 3042, 3380, 5070, 5354, 6084, 7605, 8031, 10140, 10708, 13385, 15210, 16062, 24093, 26770, 30420, 32124, 34801, 40155, 48186, 53540, 69602, 80310, 96372, 104403, 120465, 139204, 160620, 174005, 208806, 240930, 313209, 348010, 417612, 452413, 481860, 522015, 626418, 696020, 904826, 1044030, 1252836, 1357239, 1566045, 1809652, 2088060, 2262065, 2714478, 3132090, 4071717, 4524130, 5428956, 6264180, 6786195, 8143434, 9048260, 13572390, 16286868, 20358585, 27144780, 40717170, 81434340]

約数ペア:

[(1, 81434340), (2, 40717170), (3, 27144780), (4, 20358585), (5, 16286868), (6, 13572390), (9, 9048260), (10, 8143434), (12, 6786195), (13, 6264180), (15, 5428956), (18, 4524130), (20, 4071717), (26, 3132090), (30, 2714478), (36, 2262065), (39, 2088060), (45, 1809652), (52, 1566045), (60, 1357239), (65, 1252836), (78, 1044030), (90, 904826), (117, 696020), (130, 626418), (156, 522015), (169, 481860), (180, 452413), (195, 417612), (234, 348010), (260, 313209), (338, 240930), (390, 208806), (468, 174005), (507, 160620), (585, 139204), (676, 120465), (780, 104403), (845, 96372), (1014, 80310), (1170, 69602), (1521, 53540), (1690, 48186), (2028, 40155), (2340, 34801), (2535, 32124), (2677, 30420), (3042, 26770), (3380, 24093), (5070, 16062), (5354, 15210), (6084, 13385), (7605, 10708), (8031, 10140)]