18408960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:93

約数の個数: 240

約数和(自身を含む): 68942016

約数和(自身を除く): 50533056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 47, 48, 51, 60, 64, 68, 72, 80, 85, 90, 94, 96, 102, 120, 128, 136, 141, 144, 153, 160, 170, 180, 188, 192, 204, 235, 240, 255, 256, 272, 282, 288, 306, 320, 340, 360, 376, 384, 408, 423, 470, 480, 510, 512, 544, 564, 576, 612, 640, 680, 705, 720, 752, 765, 768, 799, 816, 846, 940, 960, 1020, 1088, 1128, 1152, 1224, 1280, 1360, 1410, 1440, 1504, 1530, 1536, 1598, 1632, 1692, 1880, 1920, 2040, 2115, 2176, 2256, 2304, 2397, 2448, 2560, 2720, 2820, 2880, 3008, 3060, 3196, 3264, 3384, 3760, 3840, 3995, 4080, 4230, 4352, 4512, 4608, 4794, 4896, 5440, 5640, 5760, 6016, 6120, 6392, 6528, 6768, 7191, 7520, 7680, 7990, 8160, 8460, 8704, 9024, 9588, 9792, 10880, 11280, 11520, 11985, 12032, 12240, 12784, 13056, 13536, 14382, 15040, 15980, 16320, 16920, 18048, 19176, 19584, 21760, 22560, 23040, 23970, 24064, 24480, 25568, 26112, 27072, 28764, 30080, 31960, 32640, 33840, 35955, 36096, 38352, 39168, 43520, 45120, 47940, 48960, 51136, 54144, 57528, 60160, 63920, 65280, 67680, 71910, 72192, 76704, 78336, 90240, 95880, 97920, 102272, 108288, 115056, 120320, 127840, 130560, 135360, 143820, 153408, 180480, 191760, 195840, 204544, 216576, 230112, 255680, 270720, 287640, 306816, 360960, 383520, 391680, 409088, 460224, 511360, 541440, 575280, 613632, 767040, 920448, 1022720, 1082880, 1150560, 1227264, 1534080, 1840896, 2045440, 2301120, 3068160, 3681792, 4602240, 6136320, 9204480, 18408960]

約数ペア:

[(1, 18408960), (2, 9204480), (3, 6136320), (4, 4602240), (5, 3681792), (6, 3068160), (8, 2301120), (9, 2045440), (10, 1840896), (12, 1534080), (15, 1227264), (16, 1150560), (17, 1082880), (18, 1022720), (20, 920448), (24, 767040), (30, 613632), (32, 575280), (34, 541440), (36, 511360), (40, 460224), (45, 409088), (47, 391680), (48, 383520), (51, 360960), (60, 306816), (64, 287640), (68, 270720), (72, 255680), (80, 230112), (85, 216576), (90, 204544), (94, 195840), (96, 191760), (102, 180480), (120, 153408), (128, 143820), (136, 135360), (141, 130560), (144, 127840), (153, 120320), (160, 115056), (170, 108288), (180, 102272), (188, 97920), (192, 95880), (204, 90240), (235, 78336), (240, 76704), (255, 72192), (256, 71910), (272, 67680), (282, 65280), (288, 63920), (306, 60160), (320, 57528), (340, 54144), (360, 51136), (376, 48960), (384, 47940), (408, 45120), (423, 43520), (470, 39168), (480, 38352), (510, 36096), (512, 35955), (544, 33840), (564, 32640), (576, 31960), (612, 30080), (640, 28764), (680, 27072), (705, 26112), (720, 25568), (752, 24480), (765, 24064), (768, 23970), (799, 23040), (816, 22560), (846, 21760), (940, 19584), (960, 19176), (1020, 18048), (1088, 16920), (1128, 16320), (1152, 15980), (1224, 15040), (1280, 14382), (1360, 13536), (1410, 13056), (1440, 12784), (1504, 12240), (1530, 12032), (1536, 11985), (1598, 11520), (1632, 11280), (1692, 10880), (1880, 9792), (1920, 9588), (2040, 9024), (2115, 8704), (2176, 8460), (2256, 8160), (2304, 7990), (2397, 7680), (2448, 7520), (2560, 7191), (2720, 6768), (2820, 6528), (2880, 6392), (3008, 6120), (3060, 6016), (3196, 5760), (3264, 5640), (3384, 5440), (3760, 4896), (3840, 4794), (3995, 4608), (4080, 4512), (4230, 4352)]