16688340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 38348460

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, 139, 145, 174, 180, 207, 230, 261, 276, 278, 290, 345, 348, 414, 417, 435, 460, 522, 556, 580, 667, 690, 695, 828, 834, 870, 1035, 1044, 1251, 1305, 1334, 1380, 1390, 1668, 1740, 2001, 2070, 2085, 2502, 2610, 2668, 2780, 3197, 3335, 4002, 4031, 4140, 4170, 5004, 5220, 6003, 6255, 6394, 6670, 8004, 8062, 8340, 9591, 10005, 12006, 12093, 12510, 12788, 13340, 15985, 16124, 19182, 20010, 20155, 24012, 24186, 25020, 28773, 30015, 31970, 36279, 38364, 40020, 40310, 47955, 48372, 57546, 60030, 60465, 63940, 72558, 80620, 92713, 95910, 115092, 120060, 120930, 143865, 145116, 181395, 185426, 191820, 241860, 278139, 287730, 362790, 370852, 463565, 556278, 575460, 725580, 834417, 927130, 1112556, 1390695, 1668834, 1854260, 2781390, 3337668, 4172085, 5562780, 8344170, 16688340]

約数ペア:

[(1, 16688340), (2, 8344170), (3, 5562780), (4, 4172085), (5, 3337668), (6, 2781390), (9, 1854260), (10, 1668834), (12, 1390695), (15, 1112556), (18, 927130), (20, 834417), (23, 725580), (29, 575460), (30, 556278), (36, 463565), (45, 370852), (46, 362790), (58, 287730), (60, 278139), (69, 241860), (87, 191820), (90, 185426), (92, 181395), (115, 145116), (116, 143865), (138, 120930), (139, 120060), (145, 115092), (174, 95910), (180, 92713), (207, 80620), (230, 72558), (261, 63940), (276, 60465), (278, 60030), (290, 57546), (345, 48372), (348, 47955), (414, 40310), (417, 40020), (435, 38364), (460, 36279), (522, 31970), (556, 30015), (580, 28773), (667, 25020), (690, 24186), (695, 24012), (828, 20155), (834, 20010), (870, 19182), (1035, 16124), (1044, 15985), (1251, 13340), (1305, 12788), (1334, 12510), (1380, 12093), (1390, 12006), (1668, 10005), (1740, 9591), (2001, 8340), (2070, 8062), (2085, 8004), (2502, 6670), (2610, 6394), (2668, 6255), (2780, 6003), (3197, 5220), (3335, 5004), (4002, 4170), (4031, 4140)]