18537480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 68992560

約数和(自身を除く): 50455080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 233, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 466, 468, 510, 520, 585, 612, 663, 680, 699, 765, 780, 884, 932, 936, 1020, 1105, 1165, 1170, 1224, 1326, 1398, 1530, 1560, 1768, 1864, 1989, 2040, 2097, 2210, 2330, 2340, 2652, 2796, 3029, 3060, 3315, 3495, 3961, 3978, 4194, 4420, 4660, 4680, 5304, 5592, 6058, 6120, 6630, 6990, 7922, 7956, 8388, 8840, 9087, 9320, 9945, 10485, 11883, 12116, 13260, 13980, 15145, 15844, 15912, 16776, 18174, 19805, 19890, 20970, 23766, 24232, 26520, 27261, 27960, 30290, 31688, 35649, 36348, 39610, 39780, 41940, 45435, 47532, 51493, 54522, 59415, 60580, 71298, 72696, 79220, 79560, 83880, 90870, 95064, 102986, 109044, 118830, 121160, 136305, 142596, 154479, 158440, 178245, 181740, 205972, 218088, 237660, 257465, 272610, 285192, 308958, 356490, 363480, 411944, 463437, 475320, 514930, 545220, 617916, 712980, 772395, 926874, 1029860, 1090440, 1235832, 1425960, 1544790, 1853748, 2059720, 2317185, 3089580, 3707496, 4634370, 6179160, 9268740, 18537480]

約数ペア:

[(1, 18537480), (2, 9268740), (3, 6179160), (4, 4634370), (5, 3707496), (6, 3089580), (8, 2317185), (9, 2059720), (10, 1853748), (12, 1544790), (13, 1425960), (15, 1235832), (17, 1090440), (18, 1029860), (20, 926874), (24, 772395), (26, 712980), (30, 617916), (34, 545220), (36, 514930), (39, 475320), (40, 463437), (45, 411944), (51, 363480), (52, 356490), (60, 308958), (65, 285192), (68, 272610), (72, 257465), (78, 237660), (85, 218088), (90, 205972), (102, 181740), (104, 178245), (117, 158440), (120, 154479), (130, 142596), (136, 136305), (153, 121160), (156, 118830), (170, 109044), (180, 102986), (195, 95064), (204, 90870), (221, 83880), (233, 79560), (234, 79220), (255, 72696), (260, 71298), (306, 60580), (312, 59415), (340, 54522), (360, 51493), (390, 47532), (408, 45435), (442, 41940), (466, 39780), (468, 39610), (510, 36348), (520, 35649), (585, 31688), (612, 30290), (663, 27960), (680, 27261), (699, 26520), (765, 24232), (780, 23766), (884, 20970), (932, 19890), (936, 19805), (1020, 18174), (1105, 16776), (1165, 15912), (1170, 15844), (1224, 15145), (1326, 13980), (1398, 13260), (1530, 12116), (1560, 11883), (1768, 10485), (1864, 9945), (1989, 9320), (2040, 9087), (2097, 8840), (2210, 8388), (2330, 7956), (2340, 7922), (2652, 6990), (2796, 6630), (3029, 6120), (3060, 6058), (3315, 5592), (3495, 5304), (3961, 4680), (3978, 4660), (4194, 4420)]