306540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 1009008

約数和(自身を除く): 702468

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, 131, 156, 180, 195, 234, 260, 262, 390, 393, 468, 524, 585, 655, 780, 786, 1170, 1179, 1310, 1572, 1703, 1965, 2340, 2358, 2620, 3406, 3930, 4716, 5109, 5895, 6812, 7860, 8515, 10218, 11790, 15327, 17030, 20436, 23580, 25545, 30654, 34060, 51090, 61308, 76635, 102180, 153270, 306540]

約数ペア:

[(1, 306540), (2, 153270), (3, 102180), (4, 76635), (5, 61308), (6, 51090), (9, 34060), (10, 30654), (12, 25545), (13, 23580), (15, 20436), (18, 17030), (20, 15327), (26, 11790), (30, 10218), (36, 8515), (39, 7860), (45, 6812), (52, 5895), (60, 5109), (65, 4716), (78, 3930), (90, 3406), (117, 2620), (130, 2358), (131, 2340), (156, 1965), (180, 1703), (195, 1572), (234, 1310), (260, 1179), (262, 1170), (390, 786), (393, 780), (468, 655), (524, 585)]