90311220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 298368000

約数和(自身を除く): 208056780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 73, 79, 87, 90, 108, 116, 135, 145, 146, 158, 174, 180, 219, 237, 261, 270, 290, 292, 316, 348, 365, 395, 435, 438, 474, 522, 540, 580, 657, 711, 730, 783, 790, 870, 876, 948, 1044, 1095, 1185, 1305, 1314, 1422, 1460, 1566, 1580, 1740, 1971, 2117, 2133, 2190, 2291, 2370, 2610, 2628, 2844, 3132, 3285, 3555, 3915, 3942, 4234, 4266, 4380, 4582, 4740, 5220, 5767, 6351, 6570, 6873, 7110, 7830, 7884, 8468, 8532, 9164, 9855, 10585, 10665, 11455, 11534, 12702, 13140, 13746, 14220, 15660, 17301, 19053, 19710, 20619, 21170, 21330, 22910, 23068, 25404, 27492, 28835, 31755, 34365, 34602, 38106, 39420, 41238, 42340, 42660, 45820, 51903, 57159, 57670, 61857, 63510, 68730, 69204, 76212, 82476, 86505, 95265, 103095, 103806, 114318, 115340, 123714, 127020, 137460, 155709, 167243, 173010, 190530, 206190, 207612, 228636, 247428, 259515, 285795, 309285, 311418, 334486, 346020, 381060, 412380, 501729, 519030, 571590, 618570, 622836, 668972, 778545, 836215, 1003458, 1038060, 1143180, 1237140, 1505187, 1557090, 1672430, 2006916, 2508645, 3010374, 3114180, 3344860, 4515561, 5017290, 6020748, 7525935, 9031122, 10034580, 15051870, 18062244, 22577805, 30103740, 45155610, 90311220]

約数ペア:

[(1, 90311220), (2, 45155610), (3, 30103740), (4, 22577805), (5, 18062244), (6, 15051870), (9, 10034580), (10, 9031122), (12, 7525935), (15, 6020748), (18, 5017290), (20, 4515561), (27, 3344860), (29, 3114180), (30, 3010374), (36, 2508645), (45, 2006916), (54, 1672430), (58, 1557090), (60, 1505187), (73, 1237140), (79, 1143180), (87, 1038060), (90, 1003458), (108, 836215), (116, 778545), (135, 668972), (145, 622836), (146, 618570), (158, 571590), (174, 519030), (180, 501729), (219, 412380), (237, 381060), (261, 346020), (270, 334486), (290, 311418), (292, 309285), (316, 285795), (348, 259515), (365, 247428), (395, 228636), (435, 207612), (438, 206190), (474, 190530), (522, 173010), (540, 167243), (580, 155709), (657, 137460), (711, 127020), (730, 123714), (783, 115340), (790, 114318), (870, 103806), (876, 103095), (948, 95265), (1044, 86505), (1095, 82476), (1185, 76212), (1305, 69204), (1314, 68730), (1422, 63510), (1460, 61857), (1566, 57670), (1580, 57159), (1740, 51903), (1971, 45820), (2117, 42660), (2133, 42340), (2190, 41238), (2291, 39420), (2370, 38106), (2610, 34602), (2628, 34365), (2844, 31755), (3132, 28835), (3285, 27492), (3555, 25404), (3915, 23068), (3942, 22910), (4234, 21330), (4266, 21170), (4380, 20619), (4582, 19710), (4740, 19053), (5220, 17301), (5767, 15660), (6351, 14220), (6570, 13746), (6873, 13140), (7110, 12702), (7830, 11534), (7884, 11455), (8468, 10665), (8532, 10585), (9164, 9855)]