16812540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 55351296

約数和(自身を除く): 38538756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 131, 138, 155, 180, 186, 207, 230, 262, 276, 279, 310, 345, 372, 393, 414, 460, 465, 524, 558, 620, 655, 690, 713, 786, 828, 930, 1035, 1116, 1179, 1310, 1380, 1395, 1426, 1572, 1860, 1965, 2070, 2139, 2358, 2620, 2790, 2852, 3013, 3565, 3930, 4061, 4140, 4278, 4716, 5580, 5895, 6026, 6417, 7130, 7860, 8122, 8556, 9039, 10695, 11790, 12052, 12183, 12834, 14260, 15065, 16244, 18078, 20305, 21390, 23580, 24366, 25668, 27117, 30130, 32085, 36156, 36549, 40610, 42780, 45195, 48732, 54234, 60260, 60915, 64170, 73098, 81220, 90390, 93403, 108468, 121830, 128340, 135585, 146196, 180780, 182745, 186806, 243660, 271170, 280209, 365490, 373612, 467015, 542340, 560418, 730980, 840627, 934030, 1120836, 1401045, 1681254, 1868060, 2802090, 3362508, 4203135, 5604180, 8406270, 16812540]

約数ペア:

[(1, 16812540), (2, 8406270), (3, 5604180), (4, 4203135), (5, 3362508), (6, 2802090), (9, 1868060), (10, 1681254), (12, 1401045), (15, 1120836), (18, 934030), (20, 840627), (23, 730980), (30, 560418), (31, 542340), (36, 467015), (45, 373612), (46, 365490), (60, 280209), (62, 271170), (69, 243660), (90, 186806), (92, 182745), (93, 180780), (115, 146196), (124, 135585), (131, 128340), (138, 121830), (155, 108468), (180, 93403), (186, 90390), (207, 81220), (230, 73098), (262, 64170), (276, 60915), (279, 60260), (310, 54234), (345, 48732), (372, 45195), (393, 42780), (414, 40610), (460, 36549), (465, 36156), (524, 32085), (558, 30130), (620, 27117), (655, 25668), (690, 24366), (713, 23580), (786, 21390), (828, 20305), (930, 18078), (1035, 16244), (1116, 15065), (1179, 14260), (1310, 12834), (1380, 12183), (1395, 12052), (1426, 11790), (1572, 10695), (1860, 9039), (1965, 8556), (2070, 8122), (2139, 7860), (2358, 7130), (2620, 6417), (2790, 6026), (2852, 5895), (3013, 5580), (3565, 4716), (3930, 4278), (4061, 4140)]