68905980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2677}}^1$

素因数の和:2716

約数の個数: 144

約数和(自身を含む): 245647584

約数和(自身を除く): 176741604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2677, 2860, 4290, 5148, 5354, 6435, 8031, 8580, 10708, 12870, 13385, 16062, 24093, 25740, 26770, 29447, 32124, 34801, 40155, 48186, 53540, 58894, 69602, 80310, 88341, 96372, 104403, 117788, 120465, 139204, 147235, 160620, 174005, 176682, 208806, 240930, 265023, 294470, 313209, 348010, 353364, 382811, 417612, 441705, 481860, 522015, 530046, 588940, 626418, 696020, 765622, 883410, 1044030, 1060092, 1148433, 1252836, 1325115, 1531244, 1566045, 1766820, 1914055, 2088060, 2296866, 2650230, 3132090, 3445299, 3828110, 4593732, 5300460, 5742165, 6264180, 6890598, 7656220, 11484330, 13781196, 17226495, 22968660, 34452990, 68905980]

約数ペア:

[(1, 68905980), (2, 34452990), (3, 22968660), (4, 17226495), (5, 13781196), (6, 11484330), (9, 7656220), (10, 6890598), (11, 6264180), (12, 5742165), (13, 5300460), (15, 4593732), (18, 3828110), (20, 3445299), (22, 3132090), (26, 2650230), (30, 2296866), (33, 2088060), (36, 1914055), (39, 1766820), (44, 1566045), (45, 1531244), (52, 1325115), (55, 1252836), (60, 1148433), (65, 1060092), (66, 1044030), (78, 883410), (90, 765622), (99, 696020), (110, 626418), (117, 588940), (130, 530046), (132, 522015), (143, 481860), (156, 441705), (165, 417612), (180, 382811), (195, 353364), (198, 348010), (220, 313209), (234, 294470), (260, 265023), (286, 240930), (330, 208806), (390, 176682), (396, 174005), (429, 160620), (468, 147235), (495, 139204), (572, 120465), (585, 117788), (660, 104403), (715, 96372), (780, 88341), (858, 80310), (990, 69602), (1170, 58894), (1287, 53540), (1430, 48186), (1716, 40155), (1980, 34801), (2145, 32124), (2340, 29447), (2574, 26770), (2677, 25740), (2860, 24093), (4290, 16062), (5148, 13385), (5354, 12870), (6435, 10708), (8031, 8580)]