6981390

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:65

約数の個数: 144

約数和(自身を含む): 21582288

約数和(自身を除く): 14600898

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 81, 85, 90, 102, 117, 130, 135, 153, 162, 169, 170, 195, 221, 234, 243, 255, 270, 306, 338, 351, 390, 405, 442, 459, 486, 507, 510, 585, 663, 702, 765, 810, 845, 918, 1014, 1053, 1105, 1170, 1215, 1326, 1377, 1521, 1530, 1690, 1755, 1989, 2106, 2210, 2295, 2430, 2535, 2754, 2873, 3042, 3159, 3315, 3510, 3978, 4131, 4563, 4590, 5070, 5265, 5746, 5967, 6318, 6630, 6885, 7605, 8262, 8619, 9126, 9945, 10530, 11934, 13689, 13770, 14365, 15210, 15795, 17238, 17901, 19890, 20655, 22815, 25857, 27378, 28730, 29835, 31590, 35802, 41067, 41310, 43095, 45630, 51714, 53703, 59670, 68445, 77571, 82134, 86190, 89505, 107406, 129285, 136890, 155142, 179010, 205335, 232713, 258570, 268515, 387855, 410670, 465426, 537030, 698139, 775710, 1163565, 1396278, 2327130, 3490695, 6981390]

約数ペア:

[(1, 6981390), (2, 3490695), (3, 2327130), (5, 1396278), (6, 1163565), (9, 775710), (10, 698139), (13, 537030), (15, 465426), (17, 410670), (18, 387855), (26, 268515), (27, 258570), (30, 232713), (34, 205335), (39, 179010), (45, 155142), (51, 136890), (54, 129285), (65, 107406), (78, 89505), (81, 86190), (85, 82134), (90, 77571), (102, 68445), (117, 59670), (130, 53703), (135, 51714), (153, 45630), (162, 43095), (169, 41310), (170, 41067), (195, 35802), (221, 31590), (234, 29835), (243, 28730), (255, 27378), (270, 25857), (306, 22815), (338, 20655), (351, 19890), (390, 17901), (405, 17238), (442, 15795), (459, 15210), (486, 14365), (507, 13770), (510, 13689), (585, 11934), (663, 10530), (702, 9945), (765, 9126), (810, 8619), (845, 8262), (918, 7605), (1014, 6885), (1053, 6630), (1105, 6318), (1170, 5967), (1215, 5746), (1326, 5265), (1377, 5070), (1521, 4590), (1530, 4563), (1690, 4131), (1755, 3978), (1989, 3510), (2106, 3315), (2210, 3159), (2295, 3042), (2430, 2873), (2535, 2754)]