19990980360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{33113}}^1$

素因数の和:33189

約数の個数: 256

約数和(自身を含む): 73433606400

約数和(自身を除く): 53442626040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 52, 54, 60, 65, 72, 78, 86, 90, 104, 108, 117, 120, 129, 130, 135, 156, 172, 180, 195, 215, 216, 234, 258, 260, 270, 312, 344, 351, 360, 387, 390, 430, 468, 516, 520, 540, 559, 585, 645, 702, 774, 780, 860, 936, 1032, 1080, 1118, 1161, 1170, 1290, 1404, 1548, 1560, 1677, 1720, 1755, 1935, 2236, 2322, 2340, 2580, 2795, 2808, 3096, 3354, 3510, 3870, 4472, 4644, 4680, 5031, 5160, 5590, 5805, 6708, 7020, 7740, 8385, 9288, 10062, 11180, 11610, 13416, 14040, 15093, 15480, 16770, 20124, 22360, 23220, 25155, 30186, 33113, 33540, 40248, 46440, 50310, 60372, 66226, 67080, 75465, 99339, 100620, 120744, 132452, 150930, 165565, 198678, 201240, 264904, 298017, 301860, 331130, 397356, 430469, 496695, 596034, 603720, 662260, 794712, 860938, 894051, 993390, 1192068, 1291407, 1324520, 1423859, 1490085, 1721876, 1788102, 1986780, 2152345, 2384136, 2582814, 2847718, 2980170, 3443752, 3576204, 3874221, 3973560, 4271577, 4304690, 4470255, 5165628, 5695436, 5960340, 6457035, 7119295, 7152408, 7748442, 8543154, 8609380, 8940510, 10331256, 11390872, 11622663, 11920680, 12814731, 12914070, 14238590, 15496884, 17086308, 17218760, 17881020, 18510167, 19371105, 21357885, 23245326, 25629462, 25828140, 28477180, 30993768, 34172616, 35762040, 37020334, 38444193, 38742210, 42715770, 46490652, 51258924, 51656280, 55530501, 56954360, 58113315, 64073655, 74040668, 76888386, 77484420, 85431540, 92550835, 92981304, 102517848, 111061002, 116226630, 128147310, 148081336, 153776772, 154968840, 166591503, 170863080, 185101670, 192220965, 222122004, 232453260, 256294620, 277652505, 307553544, 333183006, 370203340, 384441930, 444244008, 464906520, 499774509, 512589240, 555305010, 666366012, 740406680, 768883860, 832957515, 999549018, 1110610020, 1332732024, 1537767720, 1665915030, 1999098036, 2221220040, 2498872545, 3331830060, 3998196072, 4997745090, 6663660120, 9995490180, 19990980360]

約数ペア:

[(1, 19990980360), (2, 9995490180), (3, 6663660120), (4, 4997745090), (5, 3998196072), (6, 3331830060), (8, 2498872545), (9, 2221220040), (10, 1999098036), (12, 1665915030), (13, 1537767720), (15, 1332732024), (18, 1110610020), (20, 999549018), (24, 832957515), (26, 768883860), (27, 740406680), (30, 666366012), (36, 555305010), (39, 512589240), (40, 499774509), (43, 464906520), (45, 444244008), (52, 384441930), (54, 370203340), (60, 333183006), (65, 307553544), (72, 277652505), (78, 256294620), (86, 232453260), (90, 222122004), (104, 192220965), (108, 185101670), (117, 170863080), (120, 166591503), (129, 154968840), (130, 153776772), (135, 148081336), (156, 128147310), (172, 116226630), (180, 111061002), (195, 102517848), (215, 92981304), (216, 92550835), (234, 85431540), (258, 77484420), (260, 76888386), (270, 74040668), (312, 64073655), (344, 58113315), (351, 56954360), (360, 55530501), (387, 51656280), (390, 51258924), (430, 46490652), (468, 42715770), (516, 38742210), (520, 38444193), (540, 37020334), (559, 35762040), (585, 34172616), (645, 30993768), (702, 28477180), (774, 25828140), (780, 25629462), (860, 23245326), (936, 21357885), (1032, 19371105), (1080, 18510167), (1118, 17881020), (1161, 17218760), (1170, 17086308), (1290, 15496884), (1404, 14238590), (1548, 12914070), (1560, 12814731), (1677, 11920680), (1720, 11622663), (1755, 11390872), (1935, 10331256), (2236, 8940510), (2322, 8609380), (2340, 8543154), (2580, 7748442), (2795, 7152408), (2808, 7119295), (3096, 6457035), (3354, 5960340), (3510, 5695436), (3870, 5165628), (4472, 4470255), (4644, 4304690), (4680, 4271577), (5031, 3973560), (5160, 3874221), (5590, 3576204), (5805, 3443752), (6708, 2980170), (7020, 2847718), (7740, 2582814), (8385, 2384136), (9288, 2152345), (10062, 1986780), (11180, 1788102), (11610, 1721876), (13416, 1490085), (14040, 1423859), (15093, 1324520), (15480, 1291407), (16770, 1192068), (20124, 993390), (22360, 894051), (23220, 860938), (25155, 794712), (30186, 662260), (33113, 603720), (33540, 596034), (40248, 496695), (46440, 430469), (50310, 397356), (60372, 331130), (66226, 301860), (67080, 298017), (75465, 264904), (99339, 201240), (100620, 198678), (120744, 165565), (132452, 150930)]