19424880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:85

約数の個数: 240

約数和(自身を含む): 74057760

約数和(自身を除く): 54632880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 27, 30, 34, 36, 40, 45, 46, 48, 51, 54, 60, 68, 69, 72, 80, 85, 90, 92, 102, 108, 115, 120, 135, 136, 138, 144, 153, 170, 180, 184, 204, 207, 216, 230, 240, 255, 270, 272, 276, 306, 340, 345, 360, 368, 391, 408, 414, 432, 459, 460, 510, 529, 540, 552, 612, 621, 680, 690, 720, 765, 782, 816, 828, 918, 920, 1020, 1035, 1058, 1080, 1104, 1173, 1224, 1242, 1360, 1380, 1530, 1564, 1587, 1656, 1836, 1840, 1955, 2040, 2070, 2116, 2160, 2295, 2346, 2448, 2484, 2645, 2760, 3060, 3105, 3128, 3174, 3312, 3519, 3672, 3910, 4080, 4140, 4232, 4590, 4692, 4761, 4968, 5290, 5520, 5865, 6120, 6210, 6256, 6348, 7038, 7344, 7820, 7935, 8280, 8464, 8993, 9180, 9384, 9522, 9936, 10557, 10580, 11730, 12240, 12420, 12696, 14076, 14283, 15640, 15870, 16560, 17595, 17986, 18360, 18768, 19044, 21114, 21160, 23460, 23805, 24840, 25392, 26979, 28152, 28566, 31280, 31740, 35190, 35972, 36720, 38088, 42228, 42320, 44965, 46920, 47610, 49680, 52785, 53958, 56304, 57132, 63480, 70380, 71415, 71944, 76176, 80937, 84456, 89930, 93840, 95220, 105570, 107916, 114264, 126960, 134895, 140760, 142830, 143888, 161874, 168912, 179860, 190440, 211140, 215832, 228528, 242811, 269790, 281520, 285660, 323748, 359720, 380880, 404685, 422280, 431664, 485622, 539580, 571320, 647496, 719440, 809370, 844560, 971244, 1079160, 1142640, 1214055, 1294992, 1618740, 1942488, 2158320, 2428110, 3237480, 3884976, 4856220, 6474960, 9712440, 19424880]

約数ペア:

[(1, 19424880), (2, 9712440), (3, 6474960), (4, 4856220), (5, 3884976), (6, 3237480), (8, 2428110), (9, 2158320), (10, 1942488), (12, 1618740), (15, 1294992), (16, 1214055), (17, 1142640), (18, 1079160), (20, 971244), (23, 844560), (24, 809370), (27, 719440), (30, 647496), (34, 571320), (36, 539580), (40, 485622), (45, 431664), (46, 422280), (48, 404685), (51, 380880), (54, 359720), (60, 323748), (68, 285660), (69, 281520), (72, 269790), (80, 242811), (85, 228528), (90, 215832), (92, 211140), (102, 190440), (108, 179860), (115, 168912), (120, 161874), (135, 143888), (136, 142830), (138, 140760), (144, 134895), (153, 126960), (170, 114264), (180, 107916), (184, 105570), (204, 95220), (207, 93840), (216, 89930), (230, 84456), (240, 80937), (255, 76176), (270, 71944), (272, 71415), (276, 70380), (306, 63480), (340, 57132), (345, 56304), (360, 53958), (368, 52785), (391, 49680), (408, 47610), (414, 46920), (432, 44965), (459, 42320), (460, 42228), (510, 38088), (529, 36720), (540, 35972), (552, 35190), (612, 31740), (621, 31280), (680, 28566), (690, 28152), (720, 26979), (765, 25392), (782, 24840), (816, 23805), (828, 23460), (918, 21160), (920, 21114), (1020, 19044), (1035, 18768), (1058, 18360), (1080, 17986), (1104, 17595), (1173, 16560), (1224, 15870), (1242, 15640), (1360, 14283), (1380, 14076), (1530, 12696), (1564, 12420), (1587, 12240), (1656, 11730), (1836, 10580), (1840, 10557), (1955, 9936), (2040, 9522), (2070, 9384), (2116, 9180), (2160, 8993), (2295, 8464), (2346, 8280), (2448, 7935), (2484, 7820), (2645, 7344), (2760, 7038), (3060, 6348), (3105, 6256), (3128, 6210), (3174, 6120), (3312, 5865), (3519, 5520), (3672, 5290), (3910, 4968), (4080, 4761), (4140, 4692), (4232, 4590)]