31386420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 111767040

約数和(自身を除く): 80380620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 263, 270, 306, 340, 351, 390, 442, 459, 468, 510, 526, 540, 585, 612, 663, 702, 765, 780, 789, 884, 918, 1020, 1052, 1105, 1170, 1315, 1326, 1404, 1530, 1578, 1755, 1836, 1989, 2210, 2295, 2340, 2367, 2630, 2652, 3060, 3156, 3315, 3419, 3510, 3945, 3978, 4420, 4471, 4590, 4734, 5260, 5967, 6630, 6838, 7020, 7101, 7890, 7956, 8942, 9180, 9468, 9945, 10257, 11835, 11934, 13260, 13413, 13676, 14202, 15780, 17095, 17884, 19890, 20514, 22355, 23670, 23868, 26826, 28404, 29835, 30771, 34190, 35505, 39780, 40239, 41028, 44710, 47340, 51285, 53652, 58123, 59670, 61542, 67065, 68380, 71010, 80478, 89420, 92313, 102570, 116246, 119340, 120717, 123084, 134130, 142020, 153855, 160956, 174369, 184626, 201195, 205140, 232492, 241434, 268260, 290615, 307710, 348738, 369252, 402390, 461565, 482868, 523107, 581230, 603585, 615420, 697476, 804780, 871845, 923130, 1046214, 1162460, 1207170, 1569321, 1743690, 1846260, 2092428, 2414340, 2615535, 3138642, 3487380, 5231070, 6277284, 7846605, 10462140, 15693210, 31386420]

約数ペア:

[(1, 31386420), (2, 15693210), (3, 10462140), (4, 7846605), (5, 6277284), (6, 5231070), (9, 3487380), (10, 3138642), (12, 2615535), (13, 2414340), (15, 2092428), (17, 1846260), (18, 1743690), (20, 1569321), (26, 1207170), (27, 1162460), (30, 1046214), (34, 923130), (36, 871845), (39, 804780), (45, 697476), (51, 615420), (52, 603585), (54, 581230), (60, 523107), (65, 482868), (68, 461565), (78, 402390), (85, 369252), (90, 348738), (102, 307710), (108, 290615), (117, 268260), (130, 241434), (135, 232492), (153, 205140), (156, 201195), (170, 184626), (180, 174369), (195, 160956), (204, 153855), (221, 142020), (234, 134130), (255, 123084), (260, 120717), (263, 119340), (270, 116246), (306, 102570), (340, 92313), (351, 89420), (390, 80478), (442, 71010), (459, 68380), (468, 67065), (510, 61542), (526, 59670), (540, 58123), (585, 53652), (612, 51285), (663, 47340), (702, 44710), (765, 41028), (780, 40239), (789, 39780), (884, 35505), (918, 34190), (1020, 30771), (1052, 29835), (1105, 28404), (1170, 26826), (1315, 23868), (1326, 23670), (1404, 22355), (1530, 20514), (1578, 19890), (1755, 17884), (1836, 17095), (1989, 15780), (2210, 14202), (2295, 13676), (2340, 13413), (2367, 13260), (2630, 11934), (2652, 11835), (3060, 10257), (3156, 9945), (3315, 9468), (3419, 9180), (3510, 8942), (3945, 7956), (3978, 7890), (4420, 7101), (4471, 7020), (4590, 6838), (4734, 6630), (5260, 5967)]