17888940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 58968000

約数和(自身を除く): 41079060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 149, 174, 180, 207, 230, 261, 276, 290, 298, 345, 348, 414, 435, 447, 460, 522, 580, 596, 667, 690, 745, 828, 870, 894, 1035, 1044, 1305, 1334, 1341, 1380, 1490, 1740, 1788, 2001, 2070, 2235, 2610, 2668, 2682, 2980, 3335, 3427, 4002, 4140, 4321, 4470, 5220, 5364, 6003, 6670, 6705, 6854, 8004, 8642, 8940, 10005, 10281, 12006, 12963, 13340, 13410, 13708, 17135, 17284, 20010, 20562, 21605, 24012, 25926, 26820, 30015, 30843, 34270, 38889, 40020, 41124, 43210, 51405, 51852, 60030, 61686, 64815, 68540, 77778, 86420, 99383, 102810, 120060, 123372, 129630, 154215, 155556, 194445, 198766, 205620, 259260, 298149, 308430, 388890, 397532, 496915, 596298, 616860, 777780, 894447, 993830, 1192596, 1490745, 1788894, 1987660, 2981490, 3577788, 4472235, 5962980, 8944470, 17888940]

約数ペア:

[(1, 17888940), (2, 8944470), (3, 5962980), (4, 4472235), (5, 3577788), (6, 2981490), (9, 1987660), (10, 1788894), (12, 1490745), (15, 1192596), (18, 993830), (20, 894447), (23, 777780), (29, 616860), (30, 596298), (36, 496915), (45, 397532), (46, 388890), (58, 308430), (60, 298149), (69, 259260), (87, 205620), (90, 198766), (92, 194445), (115, 155556), (116, 154215), (138, 129630), (145, 123372), (149, 120060), (174, 102810), (180, 99383), (207, 86420), (230, 77778), (261, 68540), (276, 64815), (290, 61686), (298, 60030), (345, 51852), (348, 51405), (414, 43210), (435, 41124), (447, 40020), (460, 38889), (522, 34270), (580, 30843), (596, 30015), (667, 26820), (690, 25926), (745, 24012), (828, 21605), (870, 20562), (894, 20010), (1035, 17284), (1044, 17135), (1305, 13708), (1334, 13410), (1341, 13340), (1380, 12963), (1490, 12006), (1740, 10281), (1788, 10005), (2001, 8940), (2070, 8642), (2235, 8004), (2610, 6854), (2668, 6705), (2682, 6670), (2980, 6003), (3335, 5364), (3427, 5220), (4002, 4470), (4140, 4321)]