221795820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1042

約数の個数: 144

約数和(自身を含む): 713276928

約数和(自身を除く): 491481108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 243, 270, 282, 324, 405, 423, 470, 486, 540, 564, 705, 810, 846, 940, 971, 972, 1215, 1269, 1410, 1620, 1692, 1942, 2115, 2430, 2538, 2820, 2913, 3807, 3884, 4230, 4855, 4860, 5076, 5826, 6345, 7614, 8460, 8739, 9710, 11421, 11652, 12690, 14565, 15228, 17478, 19035, 19420, 22842, 25380, 26217, 29130, 34956, 38070, 43695, 45637, 45684, 52434, 57105, 58260, 76140, 78651, 87390, 91274, 104868, 114210, 131085, 136911, 157302, 174780, 182548, 228185, 228420, 235953, 262170, 273822, 314604, 393255, 410733, 456370, 471906, 524340, 547644, 684555, 786510, 821466, 912740, 943812, 1179765, 1232199, 1369110, 1573020, 1642932, 2053665, 2359530, 2464398, 2738220, 3696597, 4107330, 4719060, 4928796, 6160995, 7393194, 8214660, 11089791, 12321990, 14786388, 18482985, 22179582, 24643980, 36965970, 44359164, 55448955, 73931940, 110897910, 221795820]

約数ペア:

[(1, 221795820), (2, 110897910), (3, 73931940), (4, 55448955), (5, 44359164), (6, 36965970), (9, 24643980), (10, 22179582), (12, 18482985), (15, 14786388), (18, 12321990), (20, 11089791), (27, 8214660), (30, 7393194), (36, 6160995), (45, 4928796), (47, 4719060), (54, 4107330), (60, 3696597), (81, 2738220), (90, 2464398), (94, 2359530), (108, 2053665), (135, 1642932), (141, 1573020), (162, 1369110), (180, 1232199), (188, 1179765), (235, 943812), (243, 912740), (270, 821466), (282, 786510), (324, 684555), (405, 547644), (423, 524340), (470, 471906), (486, 456370), (540, 410733), (564, 393255), (705, 314604), (810, 273822), (846, 262170), (940, 235953), (971, 228420), (972, 228185), (1215, 182548), (1269, 174780), (1410, 157302), (1620, 136911), (1692, 131085), (1942, 114210), (2115, 104868), (2430, 91274), (2538, 87390), (2820, 78651), (2913, 76140), (3807, 58260), (3884, 57105), (4230, 52434), (4855, 45684), (4860, 45637), (5076, 43695), (5826, 38070), (6345, 34956), (7614, 29130), (8460, 26217), (8739, 25380), (9710, 22842), (11421, 19420), (11652, 19035), (12690, 17478), (14565, 15228)]