289937880

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 224

約数和(自身を含む): 1000226160

約数和(自身を除く): 710288280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 162, 163, 180, 183, 216, 243, 244, 270, 305, 324, 326, 360, 366, 405, 486, 488, 489, 540, 549, 610, 648, 652, 729, 732, 810, 815, 915, 972, 978, 1080, 1098, 1215, 1220, 1304, 1458, 1464, 1467, 1620, 1630, 1647, 1830, 1944, 1956, 2196, 2430, 2440, 2445, 2745, 2916, 2934, 3240, 3260, 3294, 3645, 3660, 3912, 4392, 4401, 4860, 4890, 4941, 5490, 5832, 5868, 6520, 6588, 7290, 7320, 7335, 8235, 8802, 9720, 9780, 9882, 9943, 10980, 11736, 13176, 13203, 14580, 14670, 14823, 16470, 17604, 19560, 19764, 19886, 21960, 22005, 24705, 26406, 29160, 29340, 29646, 29829, 32940, 35208, 39528, 39609, 39772, 44010, 44469, 49410, 49715, 52812, 58680, 59292, 59658, 65880, 66015, 74115, 79218, 79544, 88020, 88938, 89487, 98820, 99430, 105624, 118584, 118827, 119316, 132030, 148230, 149145, 158436, 176040, 177876, 178974, 197640, 198045, 198860, 222345, 237654, 238632, 264060, 268461, 296460, 298290, 316872, 355752, 357948, 396090, 397720, 444690, 447435, 475308, 528120, 536922, 592920, 594135, 596580, 715896, 792180, 805383, 889380, 894870, 950616, 1073844, 1188270, 1193160, 1342305, 1584360, 1610766, 1778760, 1789740, 2147688, 2376540, 2416149, 2684610, 3221532, 3579480, 4026915, 4753080, 4832298, 5369220, 6443064, 7248447, 8053830, 9664596, 10738440, 12080745, 14496894, 16107660, 19329192, 24161490, 28993788, 32215320, 36242235, 48322980, 57987576, 72484470, 96645960, 144968940, 289937880]

約数ペア:

[(1, 289937880), (2, 144968940), (3, 96645960), (4, 72484470), (5, 57987576), (6, 48322980), (8, 36242235), (9, 32215320), (10, 28993788), (12, 24161490), (15, 19329192), (18, 16107660), (20, 14496894), (24, 12080745), (27, 10738440), (30, 9664596), (36, 8053830), (40, 7248447), (45, 6443064), (54, 5369220), (60, 4832298), (61, 4753080), (72, 4026915), (81, 3579480), (90, 3221532), (108, 2684610), (120, 2416149), (122, 2376540), (135, 2147688), (162, 1789740), (163, 1778760), (180, 1610766), (183, 1584360), (216, 1342305), (243, 1193160), (244, 1188270), (270, 1073844), (305, 950616), (324, 894870), (326, 889380), (360, 805383), (366, 792180), (405, 715896), (486, 596580), (488, 594135), (489, 592920), (540, 536922), (549, 528120), (610, 475308), (648, 447435), (652, 444690), (729, 397720), (732, 396090), (810, 357948), (815, 355752), (915, 316872), (972, 298290), (978, 296460), (1080, 268461), (1098, 264060), (1215, 238632), (1220, 237654), (1304, 222345), (1458, 198860), (1464, 198045), (1467, 197640), (1620, 178974), (1630, 177876), (1647, 176040), (1830, 158436), (1944, 149145), (1956, 148230), (2196, 132030), (2430, 119316), (2440, 118827), (2445, 118584), (2745, 105624), (2916, 99430), (2934, 98820), (3240, 89487), (3260, 88938), (3294, 88020), (3645, 79544), (3660, 79218), (3912, 74115), (4392, 66015), (4401, 65880), (4860, 59658), (4890, 59292), (4941, 58680), (5490, 52812), (5832, 49715), (5868, 49410), (6520, 44469), (6588, 44010), (7290, 39772), (7320, 39609), (7335, 39528), (8235, 35208), (8802, 32940), (9720, 29829), (9780, 29646), (9882, 29340), (9943, 29160), (10980, 26406), (11736, 24705), (13176, 22005), (13203, 21960), (14580, 19886), (14670, 19764), (14823, 19560), (16470, 17604)]