217864980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 144

約数和(自身を含む): 690987024

約数和(自身を除く): 473122044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 53, 60, 82, 90, 106, 123, 159, 164, 180, 205, 212, 246, 265, 318, 369, 410, 477, 492, 530, 557, 615, 636, 738, 795, 820, 954, 1060, 1114, 1230, 1476, 1590, 1671, 1845, 1908, 2173, 2228, 2385, 2460, 2785, 3180, 3342, 3690, 4346, 4770, 5013, 5570, 6519, 6684, 7380, 8355, 8692, 9540, 10026, 10865, 11140, 13038, 16710, 19557, 20052, 21730, 22837, 25065, 26076, 29521, 32595, 33420, 39114, 43460, 45674, 50130, 59042, 65190, 68511, 78228, 88563, 91348, 97785, 100260, 114185, 118084, 130380, 137022, 147605, 177126, 195570, 205533, 228370, 265689, 274044, 295210, 342555, 354252, 391140, 411066, 442815, 456740, 531378, 590420, 685110, 822132, 885630, 1027665, 1062756, 1210361, 1328445, 1370220, 1771260, 2055330, 2420722, 2656890, 3631083, 4110660, 4841444, 5313780, 6051805, 7262166, 10893249, 12103610, 14524332, 18155415, 21786498, 24207220, 36310830, 43572996, 54466245, 72621660, 108932490, 217864980]

約数ペア:

[(1, 217864980), (2, 108932490), (3, 72621660), (4, 54466245), (5, 43572996), (6, 36310830), (9, 24207220), (10, 21786498), (12, 18155415), (15, 14524332), (18, 12103610), (20, 10893249), (30, 7262166), (36, 6051805), (41, 5313780), (45, 4841444), (53, 4110660), (60, 3631083), (82, 2656890), (90, 2420722), (106, 2055330), (123, 1771260), (159, 1370220), (164, 1328445), (180, 1210361), (205, 1062756), (212, 1027665), (246, 885630), (265, 822132), (318, 685110), (369, 590420), (410, 531378), (477, 456740), (492, 442815), (530, 411066), (557, 391140), (615, 354252), (636, 342555), (738, 295210), (795, 274044), (820, 265689), (954, 228370), (1060, 205533), (1114, 195570), (1230, 177126), (1476, 147605), (1590, 137022), (1671, 130380), (1845, 118084), (1908, 114185), (2173, 100260), (2228, 97785), (2385, 91348), (2460, 88563), (2785, 78228), (3180, 68511), (3342, 65190), (3690, 59042), (4346, 50130), (4770, 45674), (5013, 43460), (5570, 39114), (6519, 33420), (6684, 32595), (7380, 29521), (8355, 26076), (8692, 25065), (9540, 22837), (10026, 21730), (10865, 20052), (11140, 19557), (13038, 16710)]