71995680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 216

約数和(自身を含む): 262496052

約数和(自身を除く): 190500372

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, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 173, 180, 204, 240, 255, 272, 288, 289, 306, 340, 346, 360, 408, 480, 510, 519, 544, 578, 612, 680, 692, 720, 765, 816, 865, 867, 1020, 1038, 1156, 1224, 1360, 1384, 1440, 1445, 1530, 1557, 1632, 1730, 1734, 2040, 2076, 2312, 2448, 2595, 2601, 2720, 2768, 2890, 2941, 3060, 3114, 3460, 3468, 4080, 4152, 4335, 4624, 4896, 5190, 5202, 5536, 5780, 5882, 6120, 6228, 6920, 6936, 7785, 8160, 8304, 8670, 8823, 9248, 10380, 10404, 11560, 11764, 12240, 12456, 13005, 13840, 13872, 14705, 15570, 16608, 17340, 17646, 20760, 20808, 23120, 23528, 24480, 24912, 26010, 26469, 27680, 27744, 29410, 31140, 34680, 35292, 41520, 41616, 44115, 46240, 47056, 49824, 49997, 52020, 52938, 58820, 62280, 69360, 70584, 83040, 83232, 88230, 94112, 99994, 104040, 105876, 117640, 124560, 132345, 138720, 141168, 149991, 176460, 199988, 208080, 211752, 235280, 249120, 249985, 264690, 282336, 299982, 352920, 399976, 416160, 423504, 449973, 470560, 499970, 529380, 599964, 705840, 749955, 799952, 847008, 899946, 999940, 1058760, 1199928, 1411680, 1499910, 1599904, 1799892, 1999880, 2117520, 2249865, 2399856, 2999820, 3599784, 3999760, 4235040, 4499730, 4799712, 5999640, 7199568, 7999520, 8999460, 11999280, 14399136, 17998920, 23998560, 35997840, 71995680]

約数ペア:

[(1, 71995680), (2, 35997840), (3, 23998560), (4, 17998920), (5, 14399136), (6, 11999280), (8, 8999460), (9, 7999520), (10, 7199568), (12, 5999640), (15, 4799712), (16, 4499730), (17, 4235040), (18, 3999760), (20, 3599784), (24, 2999820), (30, 2399856), (32, 2249865), (34, 2117520), (36, 1999880), (40, 1799892), (45, 1599904), (48, 1499910), (51, 1411680), (60, 1199928), (68, 1058760), (72, 999940), (80, 899946), (85, 847008), (90, 799952), (96, 749955), (102, 705840), (120, 599964), (136, 529380), (144, 499970), (153, 470560), (160, 449973), (170, 423504), (173, 416160), (180, 399976), (204, 352920), (240, 299982), (255, 282336), (272, 264690), (288, 249985), (289, 249120), (306, 235280), (340, 211752), (346, 208080), (360, 199988), (408, 176460), (480, 149991), (510, 141168), (519, 138720), (544, 132345), (578, 124560), (612, 117640), (680, 105876), (692, 104040), (720, 99994), (765, 94112), (816, 88230), (865, 83232), (867, 83040), (1020, 70584), (1038, 69360), (1156, 62280), (1224, 58820), (1360, 52938), (1384, 52020), (1440, 49997), (1445, 49824), (1530, 47056), (1557, 46240), (1632, 44115), (1730, 41616), (1734, 41520), (2040, 35292), (2076, 34680), (2312, 31140), (2448, 29410), (2595, 27744), (2601, 27680), (2720, 26469), (2768, 26010), (2890, 24912), (2941, 24480), (3060, 23528), (3114, 23120), (3460, 20808), (3468, 20760), (4080, 17646), (4152, 17340), (4335, 16608), (4624, 15570), (4896, 14705), (5190, 13872), (5202, 13840), (5536, 13005), (5780, 12456), (5882, 12240), (6120, 11764), (6228, 11560), (6920, 10404), (6936, 10380), (7785, 9248), (8160, 8823), (8304, 8670)]