30991680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 224

約数和(自身を含む): 116311680

約数和(自身を除く): 85320000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 204, 211, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 408, 422, 432, 459, 480, 510, 540, 544, 576, 612, 633, 680, 720, 765, 816, 844, 864, 918, 960, 1020, 1055, 1080, 1088, 1224, 1266, 1360, 1440, 1530, 1632, 1688, 1728, 1836, 1899, 2040, 2110, 2160, 2295, 2448, 2532, 2720, 2880, 3060, 3165, 3264, 3376, 3587, 3672, 3798, 4080, 4220, 4320, 4590, 4896, 5064, 5440, 5697, 6120, 6330, 6752, 7174, 7344, 7596, 8160, 8440, 8640, 9180, 9495, 9792, 10128, 10761, 11394, 12240, 12660, 13504, 14348, 14688, 15192, 16320, 16880, 17935, 18360, 18990, 20256, 21522, 22788, 24480, 25320, 28485, 28696, 29376, 30384, 32283, 33760, 35870, 36720, 37980, 40512, 43044, 45576, 48960, 50640, 53805, 56970, 57392, 60768, 64566, 67520, 71740, 73440, 75960, 86088, 91152, 96849, 101280, 107610, 113940, 114784, 121536, 129132, 143480, 146880, 151920, 161415, 172176, 182304, 193698, 202560, 215220, 227880, 229568, 258264, 286960, 303840, 322830, 344352, 364608, 387396, 430440, 455760, 484245, 516528, 573920, 607680, 645660, 688704, 774792, 860880, 911520, 968490, 1033056, 1147840, 1291320, 1549584, 1721760, 1823040, 1936980, 2066112, 2582640, 3099168, 3443520, 3873960, 5165280, 6198336, 7747920, 10330560, 15495840, 30991680]

約数ペア:

[(1, 30991680), (2, 15495840), (3, 10330560), (4, 7747920), (5, 6198336), (6, 5165280), (8, 3873960), (9, 3443520), (10, 3099168), (12, 2582640), (15, 2066112), (16, 1936980), (17, 1823040), (18, 1721760), (20, 1549584), (24, 1291320), (27, 1147840), (30, 1033056), (32, 968490), (34, 911520), (36, 860880), (40, 774792), (45, 688704), (48, 645660), (51, 607680), (54, 573920), (60, 516528), (64, 484245), (68, 455760), (72, 430440), (80, 387396), (85, 364608), (90, 344352), (96, 322830), (102, 303840), (108, 286960), (120, 258264), (135, 229568), (136, 227880), (144, 215220), (153, 202560), (160, 193698), (170, 182304), (180, 172176), (192, 161415), (204, 151920), (211, 146880), (216, 143480), (240, 129132), (255, 121536), (270, 114784), (272, 113940), (288, 107610), (306, 101280), (320, 96849), (340, 91152), (360, 86088), (408, 75960), (422, 73440), (432, 71740), (459, 67520), (480, 64566), (510, 60768), (540, 57392), (544, 56970), (576, 53805), (612, 50640), (633, 48960), (680, 45576), (720, 43044), (765, 40512), (816, 37980), (844, 36720), (864, 35870), (918, 33760), (960, 32283), (1020, 30384), (1055, 29376), (1080, 28696), (1088, 28485), (1224, 25320), (1266, 24480), (1360, 22788), (1440, 21522), (1530, 20256), (1632, 18990), (1688, 18360), (1728, 17935), (1836, 16880), (1899, 16320), (2040, 15192), (2110, 14688), (2160, 14348), (2295, 13504), (2448, 12660), (2532, 12240), (2720, 11394), (2880, 10761), (3060, 10128), (3165, 9792), (3264, 9495), (3376, 9180), (3587, 8640), (3672, 8440), (3798, 8160), (4080, 7596), (4220, 7344), (4320, 7174), (4590, 6752), (4896, 6330), (5064, 6120), (5440, 5697)]