217495980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2267}}^1$

素因数の和:2336

約数の個数: 144

約数和(自身を含む): 728136864

約数和(自身を除く): 510640884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 369, 390, 410, 468, 492, 533, 585, 615, 738, 780, 820, 1066, 1170, 1230, 1476, 1599, 1845, 2132, 2267, 2340, 2460, 2665, 3198, 3690, 4534, 4797, 5330, 6396, 6801, 7380, 7995, 9068, 9594, 10660, 11335, 13602, 15990, 19188, 20403, 22670, 23985, 27204, 29471, 31980, 34005, 40806, 45340, 47970, 58942, 68010, 81612, 88413, 92947, 95940, 102015, 117884, 136020, 147355, 176826, 185894, 204030, 265239, 278841, 294710, 353652, 371788, 408060, 442065, 464735, 530478, 557682, 589420, 836523, 884130, 929470, 1060956, 1115364, 1208311, 1326195, 1394205, 1673046, 1768260, 1858940, 2416622, 2652390, 2788410, 3346092, 3624933, 4182615, 4833244, 5304780, 5576820, 6041555, 7249866, 8365230, 10874799, 12083110, 14499732, 16730460, 18124665, 21749598, 24166220, 36249330, 43499196, 54373995, 72498660, 108747990, 217495980]

約数ペア:

[(1, 217495980), (2, 108747990), (3, 72498660), (4, 54373995), (5, 43499196), (6, 36249330), (9, 24166220), (10, 21749598), (12, 18124665), (13, 16730460), (15, 14499732), (18, 12083110), (20, 10874799), (26, 8365230), (30, 7249866), (36, 6041555), (39, 5576820), (41, 5304780), (45, 4833244), (52, 4182615), (60, 3624933), (65, 3346092), (78, 2788410), (82, 2652390), (90, 2416622), (117, 1858940), (123, 1768260), (130, 1673046), (156, 1394205), (164, 1326195), (180, 1208311), (195, 1115364), (205, 1060956), (234, 929470), (246, 884130), (260, 836523), (369, 589420), (390, 557682), (410, 530478), (468, 464735), (492, 442065), (533, 408060), (585, 371788), (615, 353652), (738, 294710), (780, 278841), (820, 265239), (1066, 204030), (1170, 185894), (1230, 176826), (1476, 147355), (1599, 136020), (1845, 117884), (2132, 102015), (2267, 95940), (2340, 92947), (2460, 88413), (2665, 81612), (3198, 68010), (3690, 58942), (4534, 47970), (4797, 45340), (5330, 40806), (6396, 34005), (6801, 31980), (7380, 29471), (7995, 27204), (9068, 23985), (9594, 22670), (10660, 20403), (11335, 19188), (13602, 15990)]