18301920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 52822560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 419, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 838, 840, 910, 1040, 1092, 1120, 1248, 1257, 1365, 1456, 1560, 1676, 1680, 1820, 2080, 2095, 2184, 2514, 2730, 2912, 2933, 3120, 3352, 3360, 3640, 4190, 4368, 5028, 5447, 5460, 5866, 6240, 6285, 6704, 7280, 8380, 8736, 8799, 10056, 10894, 10920, 11732, 12570, 13408, 14560, 14665, 16341, 16760, 17598, 20112, 21788, 21840, 23464, 25140, 27235, 29330, 32682, 33520, 35196, 38129, 40224, 43576, 43680, 43995, 46928, 50280, 54470, 58660, 65364, 67040, 70392, 76258, 81705, 87152, 87990, 93856, 100560, 108940, 114387, 117320, 130728, 140784, 152516, 163410, 174304, 175980, 190645, 201120, 217880, 228774, 234640, 261456, 281568, 305032, 326820, 351960, 381290, 435760, 457548, 469280, 522912, 571935, 610064, 653640, 703920, 762580, 871520, 915096, 1143870, 1220128, 1307280, 1407840, 1525160, 1830192, 2287740, 2614560, 3050320, 3660384, 4575480, 6100640, 9150960, 18301920]

約数ペア:

[(1, 18301920), (2, 9150960), (3, 6100640), (4, 4575480), (5, 3660384), (6, 3050320), (7, 2614560), (8, 2287740), (10, 1830192), (12, 1525160), (13, 1407840), (14, 1307280), (15, 1220128), (16, 1143870), (20, 915096), (21, 871520), (24, 762580), (26, 703920), (28, 653640), (30, 610064), (32, 571935), (35, 522912), (39, 469280), (40, 457548), (42, 435760), (48, 381290), (52, 351960), (56, 326820), (60, 305032), (65, 281568), (70, 261456), (78, 234640), (80, 228774), (84, 217880), (91, 201120), (96, 190645), (104, 175980), (105, 174304), (112, 163410), (120, 152516), (130, 140784), (140, 130728), (156, 117320), (160, 114387), (168, 108940), (182, 100560), (195, 93856), (208, 87990), (210, 87152), (224, 81705), (240, 76258), (260, 70392), (273, 67040), (280, 65364), (312, 58660), (336, 54470), (364, 50280), (390, 46928), (416, 43995), (419, 43680), (420, 43576), (455, 40224), (480, 38129), (520, 35196), (546, 33520), (560, 32682), (624, 29330), (672, 27235), (728, 25140), (780, 23464), (838, 21840), (840, 21788), (910, 20112), (1040, 17598), (1092, 16760), (1120, 16341), (1248, 14665), (1257, 14560), (1365, 13408), (1456, 12570), (1560, 11732), (1676, 10920), (1680, 10894), (1820, 10056), (2080, 8799), (2095, 8736), (2184, 8380), (2514, 7280), (2730, 6704), (2912, 6285), (2933, 6240), (3120, 5866), (3352, 5460), (3360, 5447), (3640, 5028), (4190, 4368)]