401644980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{683}}^1$

素因数の和:729

約数の個数: 216

約数和(自身を含む): 1390779936

約数和(自身を除く): 989134956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 243, 270, 297, 324, 330, 363, 396, 405, 484, 486, 495, 540, 594, 605, 660, 683, 726, 810, 891, 972, 990, 1089, 1188, 1210, 1215, 1366, 1452, 1485, 1620, 1782, 1815, 1980, 2049, 2178, 2420, 2430, 2673, 2732, 2970, 3267, 3415, 3564, 3630, 4098, 4356, 4455, 4860, 5346, 5445, 5940, 6147, 6534, 6830, 7260, 7513, 8196, 8910, 9801, 10245, 10692, 10890, 12294, 13068, 13365, 13660, 15026, 16335, 17820, 18441, 19602, 20490, 21780, 22539, 24588, 26730, 29403, 30052, 30735, 32670, 36882, 37565, 39204, 40980, 45078, 49005, 53460, 55323, 58806, 61470, 65340, 67617, 73764, 75130, 82643, 90156, 92205, 98010, 110646, 112695, 117612, 122940, 135234, 147015, 150260, 165286, 165969, 184410, 196020, 202851, 221292, 225390, 247929, 270468, 276615, 294030, 330572, 331938, 338085, 368820, 405702, 413215, 450780, 495858, 553230, 588060, 608553, 663876, 676170, 743787, 811404, 826430, 829845, 991716, 1014255, 1106460, 1217106, 1239645, 1352340, 1487574, 1652860, 1659690, 1825659, 2028510, 2231361, 2434212, 2479290, 2975148, 3042765, 3319380, 3651318, 3718935, 4057020, 4462722, 4958580, 6085530, 6694083, 7302636, 7437870, 8925444, 9128295, 11156805, 12171060, 13388166, 14875740, 18256590, 20082249, 22313610, 26776332, 33470415, 36513180, 40164498, 44627220, 66940830, 80328996, 100411245, 133881660, 200822490, 401644980]

約数ペア:

[(1, 401644980), (2, 200822490), (3, 133881660), (4, 100411245), (5, 80328996), (6, 66940830), (9, 44627220), (10, 40164498), (11, 36513180), (12, 33470415), (15, 26776332), (18, 22313610), (20, 20082249), (22, 18256590), (27, 14875740), (30, 13388166), (33, 12171060), (36, 11156805), (44, 9128295), (45, 8925444), (54, 7437870), (55, 7302636), (60, 6694083), (66, 6085530), (81, 4958580), (90, 4462722), (99, 4057020), (108, 3718935), (110, 3651318), (121, 3319380), (132, 3042765), (135, 2975148), (162, 2479290), (165, 2434212), (180, 2231361), (198, 2028510), (220, 1825659), (242, 1659690), (243, 1652860), (270, 1487574), (297, 1352340), (324, 1239645), (330, 1217106), (363, 1106460), (396, 1014255), (405, 991716), (484, 829845), (486, 826430), (495, 811404), (540, 743787), (594, 676170), (605, 663876), (660, 608553), (683, 588060), (726, 553230), (810, 495858), (891, 450780), (972, 413215), (990, 405702), (1089, 368820), (1188, 338085), (1210, 331938), (1215, 330572), (1366, 294030), (1452, 276615), (1485, 270468), (1620, 247929), (1782, 225390), (1815, 221292), (1980, 202851), (2049, 196020), (2178, 184410), (2420, 165969), (2430, 165286), (2673, 150260), (2732, 147015), (2970, 135234), (3267, 122940), (3415, 117612), (3564, 112695), (3630, 110646), (4098, 98010), (4356, 92205), (4455, 90156), (4860, 82643), (5346, 75130), (5445, 73764), (5940, 67617), (6147, 65340), (6534, 61470), (6830, 58806), (7260, 55323), (7513, 53460), (8196, 49005), (8910, 45078), (9801, 40980), (10245, 39204), (10692, 37565), (10890, 36882), (12294, 32670), (13068, 30735), (13365, 30052), (13660, 29403), (15026, 26730), (16335, 24588), (17820, 22539), (18441, 21780), (19602, 20490)]