161990280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 581722020

約数和(自身を除く): 419731740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 173, 180, 204, 216, 255, 270, 289, 306, 324, 340, 346, 360, 405, 408, 459, 510, 519, 540, 578, 612, 648, 680, 692, 765, 810, 865, 867, 918, 1020, 1038, 1080, 1156, 1224, 1377, 1384, 1445, 1530, 1557, 1620, 1730, 1734, 1836, 2040, 2076, 2295, 2312, 2595, 2601, 2754, 2890, 2941, 3060, 3114, 3240, 3460, 3468, 3672, 4152, 4335, 4590, 4671, 5190, 5202, 5508, 5780, 5882, 6120, 6228, 6885, 6920, 6936, 7785, 7803, 8670, 8823, 9180, 9342, 10380, 10404, 11016, 11560, 11764, 12456, 13005, 13770, 14013, 14705, 15570, 15606, 17340, 17646, 18360, 18684, 20760, 20808, 23355, 23409, 23528, 26010, 26469, 27540, 28026, 29410, 31140, 31212, 34680, 35292, 37368, 39015, 44115, 46710, 46818, 49997, 52020, 52938, 55080, 56052, 58820, 62280, 62424, 70065, 70584, 78030, 79407, 88230, 93420, 93636, 99994, 104040, 105876, 112104, 117045, 117640, 132345, 140130, 149991, 156060, 158814, 176460, 186840, 187272, 199988, 211752, 234090, 238221, 249985, 264690, 280260, 299982, 312120, 317628, 352920, 397035, 399976, 449973, 468180, 476442, 499970, 529380, 560520, 599964, 635256, 749955, 794070, 899946, 936360, 952884, 999940, 1058760, 1191105, 1199928, 1349919, 1499910, 1588140, 1799892, 1905768, 1999880, 2249865, 2382210, 2699838, 2999820, 3176280, 3599784, 4049757, 4499730, 4764420, 5399676, 5999640, 6749595, 8099514, 8999460, 9528840, 10799352, 13499190, 16199028, 17998920, 20248785, 26998380, 32398056, 40497570, 53996760, 80995140, 161990280]

約数ペア:

[(1, 161990280), (2, 80995140), (3, 53996760), (4, 40497570), (5, 32398056), (6, 26998380), (8, 20248785), (9, 17998920), (10, 16199028), (12, 13499190), (15, 10799352), (17, 9528840), (18, 8999460), (20, 8099514), (24, 6749595), (27, 5999640), (30, 5399676), (34, 4764420), (36, 4499730), (40, 4049757), (45, 3599784), (51, 3176280), (54, 2999820), (60, 2699838), (68, 2382210), (72, 2249865), (81, 1999880), (85, 1905768), (90, 1799892), (102, 1588140), (108, 1499910), (120, 1349919), (135, 1199928), (136, 1191105), (153, 1058760), (162, 999940), (170, 952884), (173, 936360), (180, 899946), (204, 794070), (216, 749955), (255, 635256), (270, 599964), (289, 560520), (306, 529380), (324, 499970), (340, 476442), (346, 468180), (360, 449973), (405, 399976), (408, 397035), (459, 352920), (510, 317628), (519, 312120), (540, 299982), (578, 280260), (612, 264690), (648, 249985), (680, 238221), (692, 234090), (765, 211752), (810, 199988), (865, 187272), (867, 186840), (918, 176460), (1020, 158814), (1038, 156060), (1080, 149991), (1156, 140130), (1224, 132345), (1377, 117640), (1384, 117045), (1445, 112104), (1530, 105876), (1557, 104040), (1620, 99994), (1730, 93636), (1734, 93420), (1836, 88230), (2040, 79407), (2076, 78030), (2295, 70584), (2312, 70065), (2595, 62424), (2601, 62280), (2754, 58820), (2890, 56052), (2941, 55080), (3060, 52938), (3114, 52020), (3240, 49997), (3460, 46818), (3468, 46710), (3672, 44115), (4152, 39015), (4335, 37368), (4590, 35292), (4671, 34680), (5190, 31212), (5202, 31140), (5508, 29410), (5780, 28026), (5882, 27540), (6120, 26469), (6228, 26010), (6885, 23528), (6920, 23409), (6936, 23355), (7785, 20808), (7803, 20760), (8670, 18684), (8823, 18360), (9180, 17646), (9342, 17340), (10380, 15606), (10404, 15570), (11016, 14705), (11560, 14013), (11764, 13770), (12456, 13005)]